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Square Bits
Designed for screws with a square recess in the head, these are also known as Robertson bits.
Hex shank bits (also known as insert bits) are used in hand drivers or with a bit adapter in power tools.
Hex shank bits for power tools have a groove in the shank and fit directly into power tools without an adapter. They offer more reach for recessed holes and less wobble compared to a hex shank bit used with an adapter.
| Drive Size | For Screw Size | Overall Lg. | Material | Each | |
1/4" Hex Shank Size | |||||
|---|---|---|---|---|---|
| No. 00 | No. 1, No. 2 | 1" | Steel | 0000000 | 00000 |
| No. 0 | No. 3, No. 4 | 1" | Steel | 0000000 | 000 |
| No. 1 | No. 5, No. 6, No. 7 | 1" | Steel | 0000000 | 000 |
| No. 2 | No. 8, No. 10 | 1" | Steel | 0000000 | 000 |
| No. 3 | No. 12, No. 14, 1/4" | 1" | Steel | 0000000 | 000 |
| No. 4 | 5/16", 3/8", 7/16", 1/2" | 1" | Steel | 0000000 | 0000 |
1/4" Hex Shank Size for Power Tools | |||||
| No. 00 | No. 1, No. 2 | 2" | Steel | 0000000 | 0000 |
| No. 0 | No. 3, No. 4 | 2" | Steel | 0000000 | 0000 |
| No. 0 | No. 3, No. 4 | 2 3/4" | Steel | 0000000 | 0000 |
| No. 0 | No. 3, No. 4 | 6" | Steel | 0000000 | 0000 |
| No. 0 | No. 3, No. 4 | 12" | Steel | 0000000 | 00000 |
| No. 1 | No. 5, No. 6, No. 7 | 2" | Steel | 0000000 | 000 |
| No. 1 | No. 5, No. 6, No. 7 | 2 3/4" | Steel | 0000000 | 0000 |
| No. 1 | No. 5, No. 6, No. 7 | 4" | Steel | 0000000 | 0000 |
| No. 1 | No. 5, No. 6, No. 7 | 6" | Steel | 0000000 | 0000 |
| No. 1 | No. 5, No. 6, No. 7 | 12" | Steel | 0000000 | 00000 |
| No. 2 | No. 8, No. 10 | 2" | Steel | 0000000 | 000 |
| No. 2 | No. 8, No. 10 | 2 3/4" | Steel | 0000000 | 0000 |
| No. 2 | No. 8, No. 10 | 4" | Steel | 0000000 | 0000 |
| No. 2 | No. 8, No. 10 | 6" | Steel | 0000000 | 0000 |
| No. 2 | No. 8, No. 10 | 12" | Steel | 0000000 | 00000 |
| No. 3 | No. 12, No. 14, 1/4" | 2" | Steel | 0000000 | 000 |
| No. 3 | No. 12, No. 14, 1/4" | 2 3/4" | Steel | 0000000 | 0000 |
| No. 3 | No. 12, No. 14, 1/4" | 4" | Steel | 0000000 | 0000 |
| No. 3 | No. 12, No. 14, 1/4" | 6" | Steel | 0000000 | 0000 |
| No. 3 | No. 12, No. 14, 1/4" | 12" | Steel | 0000000 | 00000 |
| No. 4 | 5/16", 3/8", 7/16", 1/2" | 2" | Steel | 0000000 | 0000 |
| No. 4 | 5/16", 3/8", 7/16", 1/2" | 2 7/8" | Steel | 0000000 | 0000 |
| No. 4 | 5/16", 3/8", 7/16", 1/2" | 3 1/2" | Steel | 0000000 | 0000 |
| No. 4 | 5/16", 3/8", 7/16", 1/2" | 6" | Steel | 0000000 | 00000 |
| No. 4 | 5/16", 3/8", 7/16", 1/2" | 12" | Steel | 0000000 | 00000 |
Square Bits for Impact Drivers
The toughest bits available, these withstand the shock and twisting force of impact drivers. They're designed for screws with a square recess in the head and are also known as Robertson bits.
Hex shank bits (also known as insert bits) are used in hand drivers or with a bit adapter in power tools.
Hex shank bits for power tools have a groove in the shank and fit directly into power tools without an adapter. They offer more reach for recessed holes and less wobble compared to a hex shank bit used with an adapter.
Diamond-coated bits have added wear resistance.
| Drive Size | For Screw Size | Overall Lg. | Material | Each | |
1/4" Hex Shank Size | |||||
|---|---|---|---|---|---|
| No. 1 | No. 5, No. 6, No. 7 | 1" | Steel | 0000000 | 00000 |
| No. 2 | No. 8, No. 10 | 1" | Diamond-Coated Steel | 0000000 | 0000 |
| No. 3 | No. 12, No. 14, 1/4" | 1" | Diamond-Coated Steel | 0000000 | 0000 |
1/4" Hex Shank Size for Power Tools | |||||
| No. 1 | No. 5, No. 6, No. 7 | 2" | Steel | 0000000 | 0000 |
| No. 2 | No. 8, No. 10 | 2" | Diamond-Coated Steel | 0000000 | 0000 |
| No. 3 | No. 12, No. 14, 1/4" | 2" | Diamond-Coated Steel | 0000000 | 0000 |
Square Bits for Stainless Steel Screws
Protect your stainless steel screws by using a stainless steel bit. If steel flakes off a standard bit and into the recess, it can lead to rust and contamination. These bits eliminate that risk. Designed for screws with a square recess in the head, they are also known as Robertson bits. Also called insert bits, use in hand drivers or with a bit adapter in power tools.
Reversible Square Bits
Turn two fastener sizes with one reversible bit—remove and replace to change the size. Designed for screws with a square recess in the head, these are also known as Robertson bits. Also called insert bits, use in hand drivers.
For technical drawings and 3-D models, click on a part number.
Depth-Limiting Square Bits
An exterior stop collar prevents fasteners from being driven too deep. Use these bits with soft material such as drywall, wood, and fiberboard. Designed for screws with a square recess in the head, they are also known as Robertson bits.
Hex shank bits (also known as insert bits) are used in hand drivers or with a bit adapter in power tools.
Hex shank bits for power tools have a groove in the shank and fit directly into power tools without an adapter. They offer more reach for recessed holes and less wobble compared to a hex shank bit used with an adapter.
Square/Phillips Bits
While screws with a Square/Phillips combination drive can be turned with either a Square or Phillips bit, these make the best contact so you can apply high torque without slipping and stripping the recess. They are also known as Quadrex bits.
Hex shank bits (also known as insert bits) are used in hand drivers or with a bit adapter in power tools.
Hex shank bits for power tools have a groove in the shank and fit directly into power tools without an adapter. They offer more reach for recessed holes and less wobble compared to a hex shank bit used with an adapter.
For technical drawings and 3-D models, click on a part number.
Triple Square Bits
These bits are shaped like a 12-pointed star. They're also known as XZN bits and insert bits used in hand drivers or with a bit adapter in power tools.
For technical drawings and 3-D models, click on a part number.
Double Square Bits
The tip is shaped like an eight-pointed star. Also known as insert bits, use these in hand drivers or with a bit adapter in power tools.
For technical drawings and 3-D models, click on a part number.
Tamper-Resistant Square Bits
An opening at the tip accommodates the pin in the recess of tamper-resistant square screws. These bits have a groove in the shank to fit directly into power tools without an adapter.
Bit Assortments
These assortments contain general-purpose bits.
Hex shank bits (also known as insert bits) are used in hand drivers or with a bit adapter in power tools.
Hex shank bits for power tools have a groove in the shank and fit directly into power tools without an adapter. They offer more reach for recessed holes and less wobble compared to a hex shank bit used with an adapter.
 |  Hex |  Clutch |  Tamper-Resistant Hex |  | ||
 Phillips |  Slotted |  Torx |  Clutch |  Square | ||
 Drilled Spanner |  Pozidriv® |  Tamper-Resistant Torx |  Torq-Set® |  Tri-Wing® |  External Hex | |
| No. of Pieces | Components Included | Bits Included | Adapters Included | Drive Tools Included | Each | |
1/4" Hex Shank Size—Steel | ||||||
|---|---|---|---|---|---|---|
| 27 | 25 Bits 1 Adapter 1 Drive Tool | Clutch: 1/8", 5/32" (1" O'all Lg.) Hex: 5/64", 3/32", 1/8", 5/32", 3/16" (1" O'all Lg.) Phillips: No. 1, No. 2, No. 3 (1" O'all Lg.) Slotted: 5/32", 11/64", 7/32", 1/4", 9/32" (1" O'all Lg.) Square: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.) Torx: T10, T15, T20, T25, T30, T40 (1" O'all Lg.) | 2 1/4" Lg. Bit Adapter for Power Tools | 7 3/4" Lg. Bit Screwdriver | 00000000 | 000000 |
| 30 | 26 Bits 3 Adapters 1 Drive Tool | Drilled Spanner: No. 6, No. 8 No. 10 (1" O'all Lg.) Pozidriv®: No. 2 (1" O'all Lg.) Square: No. 1, No. 2 (1" O'all Lg.) Tamper-Resistant Hex: 3/32", 7/64", 1/8", 9/64" T25, T27, T30, T40 (1" O'all Lg.) 5/32", 3/16", 7/32", 1/4" (1" O'all Lg.) Tamper-Resistant Torx: T9, T10, T15, T20 Torq-Set®: No. 5, No. 8 (1" O'all Lg.) Tri-Wing®: No. 4, No. 5 (1" O'all Lg.) | 1/8" Male Square Drive × 1/8" Hex Shank Adapter 1/4" Male Square Drive × 1/4" Hex Shank Adapter 2 1/8" Lg. Bit Adapter for Power Tools | 8 3/4" Lg. Bit Screwdriver | 000000 | 00000 |
| 30 | 29 Bits 1 Adapter | External Hex: 1/4", 5/16", 3/8", 7/16" (2 5/8 O'all Lg.) - 1 ea. Phillips: No. 1, No. 3 (1" O'all Lg.)—2 ea. Phillips: No. 2 (2" O'all Lg.)—2 ea. Phillips: No. 2 (1" O'all Lg.)—7 ea. Slotted: 13/64", 15/64", 9/32" (1" O'all Lg.)—1 ea. Slotted: 15/64" (2" O'all Lg.)—1 ea. Square: No. 1, No. 3 (1" O'all Lg.)—1 ea. Square: No. 2 (1" O'all Lg.)—5 ea. Square: No. 2 (2" O'all Lg.)—1 ea. | 2 1/4" Lg. Bit Adapter for Power Tools | __ | 00000000 | 00000 |
| 35 | 32 Bits 2 Adapters 1 Drive Tool | Hex (Inch): 1/16", 5/64", 3/32", 7/64", 1/8", 9/64" Hex (Metric): 1.5 mm, 2 mm, 2.5 mm, 3 mm 4 mm, 5 mm, 6 mm (1" O'all Lg.) Phillips: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.) Slotted: 7/32", 1/4" (1" O'all Lg.) Square: No. 1, No. 2 (1" O'all Lg.) 5/32", 3/16", 7/32", 1/4" (1" O'all Lg.) Torx: T8, T10, T15, T20, T25, T27, T30 (1" O'all Lg.) | 1/4" Male Square Drive × 1/4" Hex Shank Adapter 2 1/4" Lg. Bit Adapter for Power Tools | 3 1/2" Lg. Tight-Clearance Ratcheting Bit Screwdriver | 00000000 | 00000 |
| 39 | 36 Bits 2 Adapters 1 Drive Tool | Drilled Spanner: No. 4, No. 6, No. 8, No. 10 (1" O'all Lg.) Phillips: No. 1, No. 2 (1" O'all Lg.) Pozidriv®: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.) Slotted: 1/4", 5/16" (1" O'all Lg.) Square: No. 1, No. 2, No. 3 (1" O'all Lg.) T25, T27, T30, T40 (1" O'all Lg.) Tamper-Resistant Hex: 5/64", 3/32", 7/64" 1/8", 9/64", 5/32" (1" O'all Lg.) Tamper-Resistant Torx: T8, T10, T15, T20 Torq-Set®: No. 6, No. 8, No. 10 (1" O'all Lg.) Tri-Wing®: No. 1, No. 2, No. 3, No. 4 (1" O'all Lg.) | 1/4" Female Square Drive × 1/4" Female Hex Adapter 2 1/4" Lg. Bit Adapter for Power Tools | Screwdriver Handle | 0000000 | 00000 |
| 40 | 37 Bits 2 Adapters 1 Drive Tool | Clutch: 5/32" (1" O'all Lg.)—1 ea. Hex (Inch): 5/64", 3/32", 7/64", 1/8", 9/64" 5/32", 3/16", 7/32", 1/4" (1" O'all Lg.)—1 ea. Hex (Metric): 2.5 mm, 3 mm, 4 mm 5 mm, 6 mm (1" O'all Lg.)—1 ea. Phillips: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.)—1 ea. Pozidriv®: No. 1, No. 2 (1" O'all Lg.)—1 ea. Slotted: 7/64", 5/32", 7/32" (1" O'all Lg.)—1 ea. Slotted: 9/32" (1" O'all Lg.)—2 ea. Square: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.)—1 ea. Torx: T10, T15, T20, T25, T27 T30, T40 (1" O'all Lg.)—1 ea. | 1 7/8" Lg. Bit Adapter for Power Tools 1/4" Male Square Drive × 1/4" Hex Shank Adapter | 7 1/2" Lg. Bit Screwdriver | 0000000 | 00000 |
| 100 | 96 Bits 4 Adapters | Drilled Spanner: No. 4, No. 6, No. 8, No. 10 No. 12, 1/4" (1" O'all Lg.)—1 ea. Hex (Inch): 0.050", 1/16", 5/64", 3/32", 7/64" 1/8", 9/64", 5/32", 3/16", 7/32", 1/4" 5/16", 3/8" (1" O'all Lg.)—1 ea. Hex (Metric): 1.5 mm, 2 mm, 2.5 mm, 3 mm 4 mm, 5 mm, 6 mm, 7 mm, 8 mm (1" O'all Lg.)—1 ea. Phillips: No. 0 (1" O'all Lg.)—1 ea. Phillips: No. 1, No. 3 (1" O'all Lg.)—2 ea. Phillips: No. 2 (1" O'all Lg.)—4 ea. Pozidriv®: No. 1, No. 2, No. 3 (1" O'all Lg.)—1 ea. Screw-In Hook Driver Bit—1 ea. Slotted: 3/32", 1/8", 5/32", 3/16", 7/32", 1/4" 9/32", 5/16", 3/8" (1" O'all Lg.)—1 ea. Square: No. 0, No. 1, No. 2, No. 3, No. 4 (1" O'all Lg.)—1 ea. Tamper-Resistant Hex (Inch): 3/32" 7/64", 1/8", 9/64", 5/32", 3/16", 7/32" 1/4", 5/16" (1" O'all Lg.)—1 ea. Tamper-Resistant Hex (Metric): 2.5 mm, 3 mm 4 mm, 5 mm, 6 mm, 8 mm (1" O'all Lg.)—1 ea. Tamper-Resistant Torx: T6, T7, T8, T9, T10, T15 T20, T25, T27, T30, T40 (1" O'all Lg.)—1 ea. Torx: T5, T6, T7, T8, T9, T10, T15, T20, T25, T27 T30, T40, T45, T50, T55 (1" O'all Lg.)—1 ea. | 1/4" Male Square Drive × 1/4" Hex Shank Adapter (1" O'all Lg.) 1/4" Male Square Drive × 1/4" Hex Shank Adapter (2" O'all Lg.) 2 1/2" Lg. Bit Adapter for Power Tools Bit Adapter for Square Drive Tools | __ | 000000 | 00000 |
1/4" Hex Shank Size for Power Tools—Steel | ||||||
| 10 | 10 Bits | Phillips: No. 1, No. 2, No. 3 (2" O'all Lg.) Slotted: 1/8", 3/16", 7/32", 1/4" (2" O'all Lg.) Square: No. 1, No. 2, No. 3 (2" O'all Lg.) | __ | __ | 0000000 | 00000 |
| 50 | 50 Bits | Hex (Inch): 0.050", 1/16", 5/64", 3/32", 7/64", 1/8" 9/64", 3/16", 7/32", 1/4" (2" O'all Lg.)—1 ea. Hex (Inch): 5/32" (2" O'all Lg.)—2 ea. Hex (Metric): 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm 6 mm, 8 mm (2" O'all Lg.)—1 ea. Phillips: No. 0, No. 1, No. 2, No. 3, No. 4 (2" O'all Lg.)—1 ea. Slotted: 1/8", 9/64", 5/32", 3/16", 7/32", 1/4" 9/32", 5/16" (2" O'all Lg.)—1 ea. Square: No. 0, No. 1, No. 2, No. 3 No. 4 (2" O'all Lg.)—1 ea. Torx: T25 (2" O'all Lg.)—2 ea. Torx: T5, T6, T7, T8, T9, T10, T15, T20, T27 T30, T40 (2" O'all Lg.)—1 ea. | __ | __ | 000000 | 000000 |
1/4" and 5/16" Hex Shank Size—Steel | ||||||
| 35 | 32 Bits 1 Extension 2 Drive Tools | Clutch 1/4" Hex Shank: 3/32", 1/8", 5/32" 3/16" (1" O'all Lg.) Hex 1/4" Hex Shank: 5/64", 3/32", 7/64", 1/8" 9/64", 7/32", 1/4" (1" O'all Lg.) Hex 5/16" Hex Shank: 5/32", 3/16" (1 1/4" O'all Lg.) Phillips 1/4" Hex Shank: No. 1, No. 2 (1" O'all Lg.) Pozidriv® 1/4" Hex Shank: No. 1, No. 2 (1" O'all Lg.) Slotted 1/4" Hex Shank: 3/16", 1/4", 9/32" (1" O'all Lg.) Square 1/4" Hex Shank: No. 1, No. 2, No. 3 (1" O'all Lg.) Torx 1/4" Hex Shank: T10, T15, T20, T25, T27 Torx 5/16" Hex Shank: T40, T45, T50 (1 1/4" O'all Lg.) T30 (1" O'all Lg.) | __ | 5 3/8" Lg. Angled Tight-Clearance Ratcheting Bit Screwdriver 5 1/2" Lg. Tight-Clearance Ratcheting Bit Screwdriver | 00000000 | 000000 |
Square Bit Sets
Designed for screws with a square recess in the head, these are also known as Robertson bits.
Hex shank bits (also known as insert bits) are used in hand drivers or with a bit adapter in power tools.
Hex shank bits for power tools have a groove in the shank and fit directly into power tools without an adapter. They offer more reach for recessed holes and less wobble compared to a hex shank bit used with an adapter.
Bit Screwdrivers
Insert a bit into the shaft and a magnet holds it in place.
Ultra-grip drivers have a multicomponent handle that provides comfort and the best possible grip for achieving maximum torque. These drivers come with double sided bits.
Shaft | Material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Sizes | Sizes Included | O'all Lg. | Lg. | O'all Wd. | Shaft | Bit | Handle | Grip Style | Features | Each | |
For 1/4" Bit Hex Shank Size | |||||||||||
| 26 | Phillips: No. 0, No.1, No. 2, No. 3 Pozidriv: No. 1, No. 2 Slotted: 3mm, 4mm, 4.5mm, 5.5 mm, 6mm, 6.5mm Square: No. 0, No. 1, No. 2, No. 3 Torx: T6, T7, T8, T9, T10, T15, T20, T25, T27, T30 | 9" | 3 1/2" | 3/8" | Steel | Steel | Plastic | Ultra Grip | Pop-up bit storage inside tool | 0000000 | 000000 |
Tight-Clearance Ratcheting Bit Screwdrivers
A ratchet mechanism allows you to drive fasteners when there's little space to move the handle.
Style E have seven interchangeable bits—all of which are compatible with power tools. Store them inside the handle so they don’t get lost or misplaced when you’re not using them. Bits are held in place by magnets. To use these screwdrivers as a nutdriver, remove the bit and turn fasteners with the shaft.
Material | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Style | For Bit Hex Shank Size | Number of Sizes | Sizes Included | Overall Lg. | Bit-Holding Mechanism | Bit | Handle | Features | Each | |
| E | 1/4" | 8 | External Hex: 1/4" Phillips: No. 1, No. 2 Slotted: 1/4", 3/16" Square: No. 1, No. 2 Torx: T15 | 4 5/8" | Magnet | Steel | Plastic | Bit storage inside tool | 00000000 | 000000 |
Ratcheting Bit Screwdrivers
A ratchet mechanism turns fasteners more quickly than a standard driver. Insert a bit into the shaft and a magnet holds it in place.
Ultra-grip drivers have a multicomponent handle that provides comfort and the best possible grip for achieving maximum torque.
Shaft | Material | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Bit Hex Shank Size | Number of Sizes | Sizes Included | Overall Lg. | Lg. | O'all Wd. | Bit-Holding Mechanism | Shaft | Bit | Handle | Grip Style | Driver Style | Features | Each | |
| 1/4" | 10 | Phillips: No. 1, No. 2 Slotted: 3/16", 1/4" Torx: T10, T15 Square: No. 1, No. 2 Pozidriv®: No. 1, No. 2 | 10" | 3" | 3/8" | Magnet | Chrome-Plated Steel | Steel | Plastic | Ultra Grip | Driver | Bit storage inside tool | 0000000 | 000000 |
Electrical-Insulating Bit Screwdrivers
An insulated handle and shaft protect against shock from accidental contact with live electrical circuits. These tools are tested to 1,000 volts to meet IEC 60900 and EN 60900. A magnet holds the bit in place.
Shaft | Material | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Bit Hex Shank Size | Number of Sizes | Sizes Included | Overall Lg. | Lg. | O'all Wd. | Bit-Holding Mechanism | Shaft | Bit | Handle | Specifications Met | Each | |
| 1/4" | 13 | Phillips: No. 0, No. 1, No. 2, No. 3 Slotted: 5/32", 7/32", 1/4" Square: No. 1, No. 2, No. 3 Torx: T15, T20, T25 | 9 1/8" | 3 3/8" | 0.48" | Magnet | Plastic-Coated Steel | Steel | Plastic | IEC 60900, EN 60900 | 0000000 | 000000 |
Reversible-Bit Screwdriver/Nutdrivers
Bits have a different tip at each end and snap into the shaft. A ball detent holds the bit in place. To use as nutdriver, remove the bit and turn fasteners with the shaft, which is also reversible.
Ultra-grip drivers have a multicomponent handle that provides comfort and the best possible grip for achieving maximum torque. Those with a voltage detector safely test for AC voltage without contacting live wires. Light and sound indicators alert you when over 50 volts AC is detected. The detector is attached to the tool’s handle; remove it from the handle to use it on its own. Bits turn eight screw sizes and the shaft three external hex sizes.
Cushion-grip drivers offer comfort and some slip resistance. Bits turn eight screw sizes and the shaft three external hex sizes.
Shaft | Material | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Bit Hex Shank Size | No. of Sizes | Sizes Included | Overall Lg. | Lg. | O'all Wd. | Bit-Holding Mechanism | Shaft | Bit | Handle | Specifications Met | Features | Each | |
Ultra Grip | |||||||||||||
| 1/4", 5/16" | 10 | Phillips: No. 1, No. 2 Slotted: 3/16", 1/4" Torx: T10, T15 Square: No. 1, No. 2 External Hex: 1/4", 5/16" | 9" | 3 3/8" | 1 1/4" | Ball Detent | Plastic-Coated Steel | Steel | Plastic | C-UL Listed, UL Listed | Bit storage inside shaft, Bit storage inside tool, Voltage Detector | 0000000 | 000000 |
Cushion Grip | |||||||||||||
| 1/4", 5/16" | 11 | Phillips: No. 1, No. 2 Slotted: 3/16", 1/4" Torx: T10, T15 Square: No. 1, No. 2 External Hex: 1/4" External Hex: 5/16", 3/8" | 7" | 2 1/2" | 17/32" | Ball Detent | Chrome-Plated Steel | Steel | Plastic | __ | Bit storage inside shaft | 0000000 | 00000 |
Torque Screwdriver and Bit Sets
These sets include an adjustable torque driver, bits for different drive styles, and a socket adapter. To adjust torque, remove the black vinyl end cap and turn the attached adjustment key. When set torque is reached, the driver slips to disengage and stop turning the fastener, preventing overtightening. Sets come with a calibration certificate that is traceable to NIST and includes the test measurements that confirm accuracy.
Note: Accuracy ratings do not apply to the lower 20% of the torque range.
Shaft | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Pieces | Includes | Torque Range | Graduations | For Bit Hex Shank Size | Torque-Limiting Direction | Clockwise Accuracy | O'all Lg. | Material | Handle | Certification | Each | |
Slip-Release Torque Limiter | ||||||||||||
in.-lbs., Nm | ||||||||||||
| 29 | 1 Adapter 1 Drive Tool 1 Extension 1/4” Square Drive Socket Adapter 26 Bits Screwdriver Bit Extension Torque-Limiting Screwdriver | 2-36 in.-lbs. 0.2-4 Nm | 2 in.-lbs. 0.2 Nm | 1/4" | Clockwise | ±6% | 7 3/4" | Aluminum | Aluminum | Calibration Certificate with Test Data Traceable to NIST Certificate of Calibration | 0000000 | 0000000 |
Square Bit Sockets
These sockets are also known as Robertson bits.
For technical drawings and 3-D models, click on a part number.