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    256 Products

    Knurled-Head Thumb Nuts
    3D CAD models available

    Image of Attribute. Front orientation. Contains Annotated. Thumb Nuts. Knurled-Head Thumb Nuts.
    Get a good grip on these nuts, even with oily fingers. They have a raised, slip-resistant head, so you can tighten them by hand and make controlled adjustments. Knurled-head nuts have a smaller profile than wing nuts, so they fit in tighter spots.
    Corrosion-Resistant Stainless Steel
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Black-Oxide 18-8 Stainless Steel—Typically chosen for their appearance, these nuts have a dark, matte coating to create a finished look. They resist rust in wet and outdoor environments, but won't hold up to the harsh chemicals that 316 stainless steel can.
    Super-Corrosion-Resistant 316 Stainless Steel—Our most corrosion-resistant thumb nuts, these hold up in just about any environment. They won't degrade from exposure to weather, salt water, and most chemicals.
    Collar
    Thread Size
    Dia.
    Ht.
    Head
    Dia.
    Ht.
    Threading
    Thread
    Dp.
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    0-80
    7/32"3/16"3/8"1/4"Fully Threaded____100000000000000
    1-72
    7/32"3/16"3/8"1/4"Fully Threaded____10000000000000
    2-56
    7/32"3/16"3/8"1/4"Fully Threaded____10000000000000
    3-48
    1/4"1/4"1/2"3/8"Fully Threaded____10000000000000
    4-40
    1/4"1/4"1/2"3/8"Partially Threaded1/4"__10000000000000
    4-40
    1/4"1/4"3/4"3/8"Fully Threaded____10000000000000
    4-40
    1/4"1/2"1/2"5/8"Partially Threaded3/8"__10000000000000
    4-40
    1/4"1/2"3/4"5/8"Fully Threaded____10000000000000
    5-40
    1/4"1/4"1/2"3/8"Fully Threaded____10000000000000
    6-32
    1/4"1/4"1/2"3/8"Partially Threaded9/32"__10000000000000
    6-32
    1/4"1/4"3/4"3/8"Partially Threaded9/32"__10000000000000
    6-32
    1/4"1/2"1/2"5/8"Partially Threaded11/32"__10000000000000
    6-32
    1/4"1/2"3/4"5/8"Fully Threaded____10000000000000
    8-32
    5/16"1/4"1/2"3/8"Fully Threaded____10000000000000
    8-32
    5/16"1/4"3/4"3/8"Fully Threaded____10000000000000
    8-32
    5/16"1/2"1/2"5/8"Partially Threaded3/8"__10000000000000
    8-32
    5/16"1/2"3/4"5/8"Partially Threaded1/4"__100000000000000
    10-24
    3/8"1/4"1/2"7/16"Fully Threaded____10000000000000
    10-24
    3/8"1/4"1"7/16"Fully Threaded____100000000000000
    10-24
    3/8"1/2"1/2"11/16"Fully Threaded____10000000000000
    10-24
    3/8"1/2"1"11/16"Partially Threaded1/4"__100000000000000
    10-32
    3/8"1/4"1/2"7/16"Fully Threaded____10000000000000
    10-32
    3/8"1/4"1"7/16"Fully Threaded____10000000000000
    10-32
    3/8"1/2"1/2"11/16"Partially Threaded1/4"__10000000000000
    10-32
    3/8"1/2"1"11/16"Partially Threaded1/4"__100000000000000
    12-24
    1/2"1/4"3/4"1/2"Fully Threaded____10000000000000
    1/4"-20
    1/2"1/4"3/4"1/2"Fully Threaded____10000000000000
    1/4"-20
    1/2"1/4"1"1/2"Fully Threaded____100000000000000
    1/4"-20
    1/2"1/2"3/4"3/4"Partially Threaded1/4"__100000000000000
    1/4"-20
    1/2"1/2"1"3/4"Partially Threaded1/4"__100000000000000
    1/4"-20
    1/2"3/4"1"1"Partially Threaded1/2"__100000000000000
    1/4"-28
    1/2"1/4"3/4"1/2"Fully Threaded____10000000000000
    1/4"-28
    1/2"1/2"3/4"3/4"Fully Threaded____10000000000000
    5/16"-18
    1/2"3/8"1"5/8"Fully Threaded____100000000000000
    5/16"-24
    1/2"3/8"1"5/8"Fully Threaded____100000000000000
    3/8"-16
    5/8"1/2"1"3/4"Fully Threaded____100000000000000
    3/8"-24
    5/8"1/2"1"3/4"Fully Threaded____100000000000000
    7/16"-14
    5/8"3/4"1 1/8"15/16"Fully Threaded____100000000000000
    7/16"-20
    5/8"3/4"1 1/8"15/16"Fully Threaded____100000000000000
    1/2"-13
    5/8"3/4"1 1/8"15/16"Fully Threaded____100000000000000
    1/2"-20
    5/8"3/4"1 1/8"15/16"Fully Threaded____100000000000000
    M2 × 0.4 mm5 mm4 mm10 mm6 mmFully Threaded____10000000000000
    M2.5 × 0.45 mm6 mm5 mm12 mm7.5 mmFully Threaded____10000000000000
    M3 × 0.5 mm6 mm5 mm12 mm7.5 mmFully Threaded__DIN 46610000000000000
    M3.5 × 0.6 mm8 mm6 mm16 mm9.5 mmFully Threaded____10000000000000
    M4 × 0.7 mm8 mm6 mm16 mm9.5 mmFully Threaded__DIN 46610000000000000
    M5 × 0.8 mm10 mm7.5 mm20 mm11.5 mmFully Threaded__DIN 46610000000000000
    M6 × 1 mm12 mm10 mm24 mm15 mmFully Threaded__DIN 46610000000000000
    M8 × 1.25 mm16 mm12 mm30 mm18 mmFully Threaded__DIN 466100000000000000
    M10 × 1.5 mm20 mm15 mm36 mm23 mmFully Threaded__DIN 466100000000000000
    M12 × 1.75 mm19 mm12 mm25.4 mm22 mmFully Threaded____100000000000000
    M14 × 2 mm28 mm20 mm56 mm30 mmFully Threaded____100000000000000
    M16 × 2 mm32 mm25 mm64 mm35 mmFully Threaded____100000000000000
     
    Black-Oxide 18-8 Stainless Steel
    2-56
    7/32"3/16"3/8"1/4"Fully Threaded____10000000000000
    4-40
    1/4"1/2"1/2"5/8"Partially Threaded3/8"__10000000000000
    6-32
    1/4"1/4"1/2"3/8"Partially Threaded3/32"__10000000000000
    8-32
    5/16"1/4"3/4"3/8"Fully Threaded____10000000000000
    8-32
    5/16"1/2"3/4"5/8"Partially Threaded1/4"__10000000000000
    10-24
    3/8"1/4"1"7/16"Fully Threaded____100000000000000
    10-32
    3/8"1/2"1/2"11/16"Partially Threaded1/4"__10000000000000
    12-24
    1/2"1/4"3/4"1/2"Fully Threaded____10000000000000
    1/4"-20
    1/2"1/4"3/4"1/2"Fully Threaded____10000000000000
    1/4"-20
    1/2"1/4"1"1/2"Fully Threaded____100000000000000
    1/4"-20
    1/2"3/4"1"1"Partially Threaded1/2"__100000000000000
    1/4"-28
    1/2"1/2"3/4"3/4"Fully Threaded____10000000000000
    5/16"-18
    1/2"3/8"1"5/8"Fully Threaded____10000000000000
    5/16"-24
    1/2"3/8"1"5/8"Fully Threaded____10000000000000
    3/8"-16
    5/8"1/2"1"3/4"Fully Threaded____100000000000000
    3/8"-24
    5/8"1/2"1"3/4"Fully Threaded____100000000000000
    7/16"-14
    5/8"3/4"1 1/8"15/16"Fully Threaded____100000000000000
    1/2"-13
    5/8"3/4"1 1/8"15/16"Fully Threaded____100000000000000
    1/2"-20
    5/8"3/4"1 1/8"15/16"Fully Threaded____100000000000000
    M2 × 0.4 mm5 mm4 mm10 mm6 mmFully Threaded____10000000000000
    M3 × 0.5 mm6 mm5 mm12 mm7.5 mmFully Threaded__DIN 46610000000000000
    M4 × 0.7 mm8 mm6 mm16 mm9.5 mmFully Threaded__DIN 46610000000000000
    M5 × 0.8 mm10 mm7.5 mm20 mm11.5 mmFully Threaded__DIN 46610000000000000
    M6 × 1 mm12 mm10 mm24 mm15 mmFully Threaded__DIN 46610000000000000
    M8 × 1.25 mm16 mm12 mm30 mm18 mmFully Threaded__DIN 466100000000000000
    M10 × 1.5 mm20 mm15 mm36 mm23 mmFully Threaded__DIN 466100000000000000
    M12 × 1.75 mm19 mm12 mm25.4 mm22 mmFully Threaded____10000000000000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    4-40
    1/4"1/4"1/2"3/8"Fully Threaded____10000000000000
    6-32
    1/4"1/4"3/4"3/8"Fully Threaded____10000000000000
    8-32
    5/16"1/4"1/2"3/8"Fully Threaded____10000000000000
    10-24
    3/8"1/4"1/2"7/16"Fully Threaded____10000000000000
    10-32
    3/8"1/4"1"7/16"Fully Threaded____10000000000000
    1/4"-20
    1/2"1/4"3/4"1/2"Fully Threaded____10000000000000
    5/16"-18
    1/2"3/8"1"5/8"Fully Threaded____10000000000000
    3/8"-16
    5/8"1/2"1"3/4"Fully Threaded____100000000000000
    1/2"-13
    3/4"5/8"1 1/8"15/16"Fully Threaded____100000000000000
     
    Plastic
    Reinforced Acetal—The best plastic for damp and wet environments, acetal won't swell or lose strength if exposed to moisture. These nuts are reinforced with an aluminum threaded insert, so they can handle more torque than other plastic nuts and won't crack during installation.
    Nylon—These nuts thread on smoothly and resist abrasion to stand up to scratches and bumps. Nylon will swell and weaken when exposed to moisture, so it's best for dry environments.
    Collar
    Thread Size
    Dia.
    Ht.
    Head
    Dia.
    Ht.
    Color
    Threading
    Insert
    Material
    Pkg.
    Qty.
    Pkg.
    Reinforced Acetal
    4-40
    9/32"3/64"5/16"3/16"BlackFully ThreadedAluminum
    1000000000000000
    6-32
    23/64"3/64"3/8"7/32"BlackFully ThreadedAluminum
    100000000000000
    8-32
    25/64"3/32"1/2"17/64"BlackFully ThreadedAluminum
    100000000000000
    10-24
    31/64"1/8"5/8"19/64"BlackFully ThreadedAluminum
    100000000000000
    10-32
    31/64"1/8"5/8"19/64"BlackFully ThreadedAluminum
    100000000000000
    1/4"-20
    35/64"1/16"1"23/64"BlackFully ThreadedAluminum
    1000000000000000
    1/4"-20
    35/64"3/16"3/4"23/64"BlackFully ThreadedAluminum
    1000000000000000
    1/4"-28
    35/64"1/16"1"23/64"BlackFully ThreadedAluminum
    1000000000000000
    1/4"-28
    35/64"3/16"3/4"23/64"BlackFully ThreadedAluminum
    1000000000000000
    5/16"-18
    41/64"1/8"1"27/64"BlackFully ThreadedAluminum
    1000000000000000
    5/16"-24
    41/64"1/8"1"27/64"BlackFully ThreadedAluminum
    1000000000000000
    M3 × 0.5 mm9.1 mm1.2 mm9.6 mm5.6 mmBlackFully ThreadedAluminum
    100000000000000
    M4 × 0.7 mm9.9 mm2.4 mm13 mm6.7 mmBlackFully ThreadedAluminum
    100000000000000
    M5 × 0.8 mm11.5 mm3.2 mm16 mm7.5 mmBlackFully ThreadedAluminum
    100000000000000
    M6 × 1 mm13.6 mm4.8 mm19 mm9.1 mmBlackFully ThreadedAluminum
    1000000000000000
    M6 × 1 mm14.3 mm1.6 mm26 mm9.1 mmBlackFully ThreadedAluminum
    1000000000000000
    M8 × 1.25 mm16.3 mm3.2 mm26 mm10.7 mmBlackFully ThreadedAluminum
    1000000000000000
     
    Nylon
    6-32
    1/4"1/4"1/2"3/8"BlackFully Threaded__10000000000000
    6-32
    1/4"1/4"3/4"3/8"BlackFully Threaded__10000000000000
    8-32
    5/16"1/4"1/2"3/8"BlackFully Threaded__10000000000000
    8-32
    5/16"1/2"1/2"5/8"BlackFully Threaded__10000000000000
    10-24
    3/8"1/4"1/2"7/16"BlackFully Threaded__10000000000000
    10-32
    3/8"1/4"1"7/16"BlackFully Threaded__10000000000000
    1/4"-20
    1/2"1/4"3/4"1/2"BlackFully Threaded__10000000000000
    1/4"-20
    1/2"3/4"1"1"BlackFully Threaded__10000000000000
     

    Flanged Knurled-Head Thumb Nuts
    3D CAD models available

    Image of Attribute. Front orientation. Contains Annotated. Thumb Nuts. Flanged Knurled-Head Thumb Nuts.
    The slip-resistant head is easy to grip, while the flange distributes pressure evenly across the mounting surface without the need for a separate washer. These nuts are often used to secure screws in oversized or irregularly shaped holes since the flange covers a larger area than standard nuts.
    Corrosion-Resistant Stainless Steel
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Black-Oxide 18-8 Stainless Steel—Typically chosen for their appearance, these nuts have a dark, matte coating to create a finished look. They resist rust in wet and outdoor environments, but won't hold up to the harsh chemicals that 316 stainless steel can.
    Passivated 18-8 Stainless Steel—With an added layer of protection, these nuts stand up to strong acids and other harsh chemicals.
    Super-Corrosion-Resistant 316 Stainless Steel—Our most corrosion-resistant thumb nuts, these hold up in just about any environment. They won't degrade from exposure to weather, salt water, and most chemicals.
    Collar
    Thread Size
    Dia.
    Ht.
    Head
    Dia.
    Ht.
    Threading
    Thread
    Dp.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    0-80
    5/32"1/8"7/32"1/4"Fully Threaded__100000000000000
    1-72
    5/32"1/8"7/32"1/4"Fully Threaded__10000000000000
    2-56
    3/16"1/8"1/4"1/4"Fully Threaded__10000000000000
    3-48
    1/4"1/8"5/16"1/4"Fully Threaded__10000000000000
    4-40
    1/4"1/8"5/16"1/4"Fully Threaded__10000000000000
    4-40
    1/4"1/8"5/16"5/16"Partially Threaded7/32"10000000000000
    5-40
    1/4"1/8"5/16"1/4"Fully Threaded__10000000000000
    6-32
    11/32"5/32"3/8"9/32"Fully Threaded__10000000000000
    8-32
    3/8"5/32"7/16"9/32"Fully Threaded__10000000000000
    8-32
    3/8"5/32"7/16"3/8"Partially Threaded1/4"10000000000000
    10-24
    13/32"3/16"1/2"11/32"Fully Threaded__10000000000000
    10-32
    13/32"3/16"1/2"11/32"Fully Threaded__10000000000000
    12-24
    13/32"3/16"1/2"11/32"Fully Threaded__10000000000000
    1/4"-20
    15/32"7/32"9/16"3/8"Fully Threaded__10000000000000
    1/4"-20
    15/32"7/32"9/16"1/2"Partially Threaded5/16"100000000000000
    1/4"-28
    15/32"7/32"9/16"3/8"Fully Threaded__10000000000000
    5/16"-18
    17/32"7/32"5/8"13/32"Fully Threaded__10000000000000
    5/16"-24
    17/32"7/32"5/8"13/32"Fully Threaded__10000000000000
    3/8"-16
    5/8"1/4"3/4"15/32"Fully Threaded__10000000000000
    3/8"-24
    5/8"1/4"3/4"15/32"Fully Threaded__100000000000000
    7/16"-14
    11/16"5/16"1"17/32"Fully Threaded__100000000000000
    7/16"-20
    11/16"5/16"1"17/32"Fully Threaded__100000000000000
    1/2"-13
    3/4"3/8"1"5/8"Fully Threaded__100000000000000
    M1.6 × 0.35 mm4 mm4 mm6 mm6 mmFully Threaded__10000000000000
    M1.6 × 0.35 mm4 mm4 mm8 mm6 mmFully Threaded__10000000000000
    M2 × 0.4 mm4 mm2 mm6 mm4 mmFully Threaded__10000000000000
    M2 × 0.4 mm4 mm4 mm8 mm6 mmFully Threaded__10000000000000
    M2.5 × 0.45 mm4 mm5 mm12 mm7 mmFully Threaded__10000000000000
    M2.5 × 0.45 mm5 mm3 mm6 mm6 mmFully Threaded__10000000000000
    M2.5 × 0.45 mm6 mm3 mm8 mm6 mmFully Threaded__10000000000000
    M3 × 0.5 mm6 mm3 mm8 mm6 mmFully Threaded__10000000000000
    M3 × 0.5 mm6 mm5 mm16 mm8 mmFully Threaded__10000000000000
    M3.5 × 0.6 mm9 mm4 mm10 mm7 mmFully Threaded__10000000000000
    M4 × 0.7 mm8 mm6 mm12 mm10 mmFully Threaded__10000000000000
    M4 × 0.7 mm8 mm6 mm20 mm10 mmFully Threaded__100000000000000
    M4 × 0.7 mm9 mm4 mm10 mm7 mmFully Threaded__10000000000000
    M5 × 0.8 mm10 mm7.5 mm16 mm12 mmFully Threaded__10000000000000
    M5 × 0.8 mm10 mm7.5 mm24 mm12 mmFully Threaded__100000000000000
    M5 × 0.8 mm11 mm5 mm13 mm9 mmFully Threaded__10000000000000
    M6 × 1 mm12 mm5 mm13 mm9 mmFully Threaded__10000000000000
    M6 × 1 mm12 mm10 mm20 mm15 mmFully Threaded__100000000000000
    M6 × 1 mm12 mm10 mm24 mm15 mmFully Threaded__100000000000000
    M8 × 1.25 mm16 mm6 mm19 mm12 mmFully Threaded__10000000000000
    M8 × 1.25 mm16 mm12 mm24 mm18 mmFully Threaded__100000000000000
    M8 × 1.25 mm16 mm12 mm31.8 mm18 mmFully Threaded__100000000000000
    M10 × 1.5 mm20 mm15 mm26 mm23 mmFully Threaded__100000000000000
    M10 × 1.5 mm20 mm15 mm31.8 mm23 mmFully Threaded__100000000000000
    M12 × 1.75 mm24 mm20 mm31.8 mm30 mmFully Threaded__100000000000000
     
    Black-Oxide 18-8 Stainless Steel
    2-56
    3/16"1/8"1/4"1/4"Fully Threaded__10000000000000
    4-40
    1/4"1/8"5/16"1/4"Fully Threaded__10000000000000
    6-32
    11/32"5/32"3/8"9/32"Fully Threaded__10000000000000
    8-32
    3/8"5/32"7/16"9/32"Fully Threaded__10000000000000
    10-24
    13/32"3/16"1/2"11/32"Fully Threaded__100000000000000
    10-32
    13/32"3/16"1/2"11/32"Fully Threaded__100000000000000
    1/4"-20
    15/32"7/32"9/16"3/8"Fully Threaded__100000000000000
    5/16"-18
    17/32"7/32"5/8"13/32"Fully Threaded__100000000000000
    3/8"-16
    5/8"1/4"3/4"15/32"Fully Threaded__100000000000000
    M2.5 × 0.45 mm5 mm3 mm6 mm6 mmFully Threaded__10000000000000
    M3 × 0.5 mm6 mm3 mm8 mm6 mmFully Threaded__10000000000000
    M3.5 × 0.6 mm9 mm4 mm10 mm7 mmFully Threaded__10000000000000
    M4 × 0.7 mm9 mm4 mm10 mm7 mmFully Threaded__10000000000000
    M5 × 0.8 mm11 mm5 mm13 mm9 mmFully Threaded__10000000000000
    M6 × 1 mm12 mm5 mm13 mm9 mmFully Threaded__10000000000000
    M8 × 1.25 mm16 mm6 mm19 mm12 mmFully Threaded__100000000000000
     
    Passivated 18-8 Stainless Steel
    6-32
    11/32"5/32"3/8"9/32"Fully Threaded__10000000000000
    8-32
    3/8"5/32"7/16"9/32"Fully Threaded__10000000000000
    10-24
    13/32"3/16"1/2"11/32"Fully Threaded__100000000000000
    10-32
    13/32"3/16"1/2"11/32"Fully Threaded__100000000000000
    1/4"-20
    15/32"7/32"9/16"3/8"Fully Threaded__100000000000000
    1/4"-28
    15/32"7/32"9/16"3/8"Fully Threaded__100000000000000
    5/16"-18
    17/32"7/32"5/8"13/32"Fully Threaded__100000000000000
    3/8"-16
    5/8"1/4"3/4"15/32"Fully Threaded__100000000000000
    3/8"-24
    5/8"1/4"3/4"15/32"Fully Threaded__100000000000000
    7/16"-14
    11/16"5/16"1"17/32"Fully Threaded__100000000000000
    1/2"-13
    3/4"3/8"1"5/8"Fully Threaded__100000000000000
    M2.5 × 0.45 mm5 mm3 mm6 mm6 mmFully Threaded__10000000000000
    M3 × 0.5 mm6 mm3 mm8 mm6 mmFully Threaded__10000000000000
    M4 × 0.7 mm9 mm4 mm10 mm7 mmFully Threaded__10000000000000
    M5 × 0.8 mm11 mm5 mm13 mm9 mmFully Threaded__10000000000000
    M6 × 1 mm12 mm5 mm13 mm9 mmFully Threaded__10000000000000
    M8 × 1.25 mm16 mm6 mm19 mm12 mmFully Threaded__100000000000000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    4-40
    1/4"1/8"5/16"1/4"Fully Threaded__100000000000000
    6-32
    11/32"5/32"3/8"9/32"Fully Threaded__100000000000000
    8-32
    3/8"5/32"7/16"9/32"Fully Threaded__100000000000000
    10-24
    13/32"3/16"1/2"11/32"Fully Threaded__100000000000000
    10-32
    13/32"3/16"1/2"11/32"Fully Threaded__100000000000000
    1/4"-20
    15/32"7/32"9/16"3/8"Fully Threaded__100000000000000
    5/16"-18
    17/32"7/32"5/8"13/32"Fully Threaded__100000000000000
    3/8"-16
    5/8"1/4"3/4"15/32"Fully Threaded__100000000000000
    1/2"-13
    13/16"1/4"1"1/2"Fully Threaded__100000000000000
     
    Brass
    Brass—With a warm, polished look, these nuts are often chosen for their appearance. Similar to 18-8 stainless steel, brass is corrosion resistant enough to stand up to wet environments. It is also softer than other metals, so it's easier to thread together.
    Zinc-Plated Brass—The zinc plating offers better corrosion resistance than plain brass to stand up to solvents and mild chemicals.
    Collar
    Thread Size
    Dia.
    Ht.
    Head
    Dia.
    Ht.
    Threading
    Pkg.
    Qty.
    Pkg.
    Brass
    0-80
    5/32"1/8"7/32"1/4"Fully Threaded100000000000000
    1-72
    3/16"1/8"1/4"1/4"Fully Threaded10000000000000
    2-56
    3/16"1/8"1/4"1/4"Fully Threaded10000000000000
    3-48
    1/4"1/8"5/16"1/4"Fully Threaded10000000000000
    4-40
    5/16"9/64"3/8"1/4"Fully Threaded250000000000000
    5-40
    11/32"5/32"3/8"9/32"Fully Threaded10000000000000
    6-32
    5/16"9/64"3/8"1/4"Fully Threaded2500000000000000
    8-32
    3/8"3/16"7/16"5/16"Fully Threaded2500000000000000
    10-24
    7/16"13/64"1/2"21/64"Fully Threaded100000000000000
    10-32
    7/16"13/64"1/2"21/64"Fully Threaded100000000000000
    12-24
    1/2"13/64"9/16"11/32"Fully Threaded100000000000000
    1/4"-20
    9/16"7/32"5/8"3/8"Fully Threaded1000000000000000
    1/4"-28
    15/32"7/32"9/16"3/8"Fully Threaded10000000000000
    5/16"-18
    39/64"15/64"11/16"13/32"Fully Threaded1000000000000000
    3/8"-16
    5/8"1/4"3/4"15/32"Fully Threaded10000000000000
     
    Zinc-Plated Brass
    8-32
    3/8"5/32"7/16"9/32"Fully Threaded100000000000000
    10-24
    13/32"3/16"1/2"11/32"Fully Threaded100000000000000
    10-32
    13/32"3/16"1/2"11/32"Fully Threaded100000000000000
    1/4"-20
    15/32"7/32"9/16"3/8"Fully Threaded100000000000000
    5/16"-18
    17/32"7/32"5/8"13/32"Fully Threaded100000000000000
    3/8"-16
    5/8"1/4"3/4"15/32"Fully Threaded100000000000000
    M2.5 × 0.45 mm5 mm3 mm6 mm6 mmFully Threaded10000000000000
    M3 × 0.5 mm6 mm3 mm8 mm6 mmFully Threaded10000000000000
    M3.5 × 0.6 mm9 mm4 mm10 mm7 mmFully Threaded10000000000000
    M4 × 0.7 mm9 mm4 mm10 mm7 mmFully Threaded10000000000000
    M5 × 0.8 mm11 mm5 mm13 mm9 mmFully Threaded10000000000000
    M6 × 1 mm12 mm5 mm13 mm9 mmFully Threaded10000000000000
    M8 × 1.25 mm16 mm6 mm19 mm12 mmFully Threaded10000000000000
     

    Low-Profile Knurled-Head Thumb Nuts
    3D CAD models available

    Twist these thumb nuts into spaces without a lot of clearance. They have a short, slip-resistant head, so you can grip them easily and make controlled adjustments in cramped spots. You can also use them as jam nuts by threading them against another nut to hold it in place.
    Steel
    Image of Product. Front orientation. Thumb Nuts. Low-Profile Knurled-Head Thumb Nuts.
    Image of Attribute. Front orientation. Contains Annotated. Low-Profile Knurled-Head Thumb Nuts.
    Black-Oxide Steel—A dark, matte coating creates a finished look. These nuts offer minimal corrosion resistance, so they're best for dry environments.
    Collar
    Thread Size
    Dia.
    Ht.
    Head
    Dia.
    Ht.
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Black-Oxide Steel
    10-32
    1/2"1/16"3/4"7/32"__100000000000000
    1/4"-20
    1/2"1/16"3/4"7/32"__10000000000000
    5/16"-18
    1/2"1/16"3/4"5/16"__10000000000000
    3/8"-16
    1/2"1/16"3/4"5/16"__10000000000000
    1/2"-13
    3/4"1/8"1"3/8"__10000000000000
    5/8"-11
    3/4"1/8"1"3/8"__10000000000000
    M4 × 0.7 mm8 mm0.5 mm16 mm4 mmDIN 46710000000000000
    M5 × 0.8 mm10 mm1 mm20 mm5 mmDIN 46710000000000000
    M6 × 1 mm12 mm1 mm24 mm6 mmDIN 46710000000000000
    M8 × 1.25 mm16 mm2 mm30 mm8 mmDIN 46710000000000000
    M10 × 1.5 mm20 mm2 mm36 mm10 mmDIN 46710000000000000
    M12 × 1.75 mm20 mm2 mm36 mm10 mmDIN 46710000000000000
     

    High-Torque Low-Profile Knurled-Head Thumb Nuts
    3D CAD models available

    Twist the slip-resistant head by hand, then insert a T-handle hex key into one of the holes to apply extra torque for a tight fit. Nuts have a low-profile head that fits into cramped spaces. You can also use them as jam nuts by threading them against another nut to hold it in place.
    Steel
    Image of Product. Front orientation. Thumb Nuts. High-Torque Low-Profile Knurled-Head Thumb Nuts.
    Black-Oxide Steel—A dark, matte coating creates a finished look. These nuts offer minimal corrosion resistance, so they're best for dry environments.
    Thread
    Size
    Head
    Dia.
    Ht.
    No. of
    Holes
    Hole
    Dia.
    Each
    Black-Oxide Steel
    10-24
    3/4"1/4"43/32"00000000000000
    1/4"-20
    7/8"1/4"43/32"0000000000000
    5/16"-18
    1"3/8"43/16"0000000000000
    3/8"-16
    1"3/8"43/16"0000000000000
    1/2"-13
    1 1/8"7/16"47/32"0000000000000
    5/8"-11
    1 3/8"1/2"41/4"0000000000000
     
    Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Thumb Nuts. High-Torque Low-Profile Knurled-Head Thumb Nuts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Thread
    Size
    Head
    Dia.
    Ht.
    No. of
    Holes
    Hole
    Dia.
    Each
    18-8 Stainless Steel
    10-24
    3/4"1/4"43/32"00000000000000
    1/4"-20
    7/8"1/4"43/32"0000000000000
    5/16"-18
    1"3/8"43/16"0000000000000
    3/8"-16
    1"3/8"43/16"00000000000000
    1/2"-13
    1 1/8"7/16"47/32"00000000000000
    5/8"-11
    1 3/8"1/2"41/4"00000000000000
     
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