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About Shoulder Screws
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18-8 Stainless Steel Precision Shoulder Screws
Made of 18-8 stainless steel, these shoulder screws have good corrosion resistance and may be mildly magnetic. With a shoulder diameter that is twice as precise as our general purpose shoulder screws, they provide smooth, accurate movement. Use them where precision matters, such as in measuring devices, optical fixtures, and laboratory equipment.
TiCN-coated stainless steel screws have a layer of titanium carbonitride to reduce friction and allow rotating and sliding components to move smoothly across their length.
For technical drawings and 3-D models, click on a part number.
TiCN-Coated 18-8 Stainless Steel
Each | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Shoulder Lg. | Thread Size | Thread Lg. | Head Dia. | Head Ht. | Tensile Strength, psi | Drive Size | 1-4 | 5-Up | |
1/8" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/8" | 4-40 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 00000 | 00000 |
| 3/16" | 4-40 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
| 1/4" | 4-40 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
| 3/8" | 4-40 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
| 1/2" | 4-40 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
| 3/4" | 4-40 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
| 1" | 4-40 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
5/32" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/8" | 6-32 | 3/16" | 9/32" | 1/8" | 70,000 | 3/32" | 000000000 | 0000 | 0000 |
| 3/16" | 6-32 | 3/16" | 9/32" | 1/8" | 70,000 | 3/32" | 000000000 | 0000 | 0000 |
| 1/4" | 6-32 | 3/16" | 9/32" | 1/8" | 70,000 | 3/32" | 000000000 | 0000 | 0000 |
| 3/8" | 6-32 | 3/16" | 9/32" | 1/8" | 70,000 | 3/32" | 000000000 | 00000 | 0000 |
| 1/2" | 6-32 | 3/16" | 9/32" | 1/8" | 70,000 | 3/32" | 000000000 | 00000 | 0000 |
| 3/4" | 6-32 | 3/16" | 9/32" | 1/8" | 70,000 | 3/32" | 000000000 | 00000 | 00000 |
| 1" | 6-32 | 3/16" | 9/32" | 1/8" | 70,000 | 3/32" | 000000000 | 00000 | 00000 |
3/16" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/8" | 8-32 | 3/16" | 5/16" | 5/32" | 70,000 | 3/32" | 000000000 | 00000 | 0000 |
| 3/16" | 8-32 | 3/16" | 5/16" | 5/32" | 70,000 | 3/32" | 000000000 | 00000 | 0000 |
| 1/4" | 8-32 | 3/16" | 5/16" | 5/32" | 70,000 | 3/32" | 000000000 | 00000 | 0000 |
| 3/8" | 8-32 | 3/16" | 5/16" | 5/32" | 70,000 | 3/32" | 000000000 | 00000 | 00000 |
| 1/2" | 8-32 | 3/16" | 5/16" | 5/32" | 70,000 | 3/32" | 000000000 | 00000 | 00000 |
| 3/4" | 8-32 | 3/16" | 5/16" | 5/32" | 70,000 | 3/32" | 000000000 | 00000 | 00000 |
| 1" | 8-32 | 3/16" | 5/16" | 5/32" | 70,000 | 3/32" | 000000000 | 00000 | 00000 |
1/4" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/8" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 3/16" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 1/4" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 3/8" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 1/2" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 5/8" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 3/4" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 1" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 1 1/4" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 1 1/2" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 2" | 10-32 | 1/4" | 3/8" | 3/16" | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
5/16" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/8" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 3/16" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 1/4" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 3/8" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 1/2" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 5/8" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 3/4" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 1" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 1 1/4" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 1 1/2" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 2" | 1/4"-20 | 3/8" | 7/16" | 7/32" | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
3/8" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/4" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 70,000 | 3/16" | 000000000 | 00000 | 00000 |
| 3/8" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 70,000 | 3/16" | 000000000 | 00000 | 00000 |
| 1/2" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 70,000 | 3/16" | 000000000 | 00000 | 00000 |
| 5/8" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 70,000 | 3/16" | 000000000 | 00000 | 00000 |
| 3/4" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 70,000 | 3/16" | 000000000 | 00000 | 00000 |
| 1" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 70,000 | 3/16" | 000000000 | 00000 | 00000 |
| 1 1/2" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 70,000 | 3/16" | 000000000 | 00000 | 00000 |
1/2" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/4" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 70,000 | 1/4" | 000000000 | 00000 | 00000 |
| 3/8" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 70,000 | 1/4" | 000000000 | 00000 | 00000 |
| 1/2" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 70,000 | 1/4" | 000000000 | 00000 | 00000 |
| 5/8" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 70,000 | 1/4" | 000000000 | 00000 | 00000 |
| 3/4" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 70,000 | 1/4" | 000000000 | 00000 | 00000 |
| 1" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 70,000 | 1/4" | 000000000 | 00000 | 00000 |
| 1 1/2" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 70,000 | 1/4" | 000000000 | 00000 | 00000 |
Metric 18-8 Stainless Steel Precision Shoulder Screws
Made of 18-8 stainless steel, these shoulder screws have good corrosion resistance and may be mildly magnetic. With a shoulder diameter that is twice as precise as our general purpose shoulder screws, they provide smooth, accurate movement. Use them where precision matters, such as in measuring devices, optical fixtures, and laboratory equipment.
TiCN-coated stainless steel screws have a layer of titanium carbonitride to reduce friction and allow rotating and sliding components to move smoothly across their length.
For technical drawings and 3-D models, click on a part number.
TiCN-Coated 18-8 Stainless Steel
Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Shoulder Lg., mm | Thread Size | Thread Pitch, mm | Thread Lg., mm | Head Dia., mm | Head Ht., mm | Tensile Strength, psi | Drive Size, mm | 1-4 | 5-Up | |
4 mm Shoulder Dia.—Precise Fit (-0.038 to -0.013 mm Dia. Tolerance) | ||||||||||
| 4 | M3 | 0.5 | 4 | 6 | 3 | 70,000 | 2 | 000000000 | 00000 | 00000 |
| 5 | M3 | 0.5 | 4 | 6 | 3 | 70,000 | 2 | 000000000 | 0000 | 0000 |
| 6 | M3 | 0.5 | 4 | 6 | 3 | 70,000 | 2 | 000000000 | 0000 | 0000 |
| 8 | M3 | 0.5 | 4 | 6 | 3 | 70,000 | 2 | 000000000 | 00000 | 0000 |
| 10 | M3 | 0.5 | 4 | 6 | 3 | 70,000 | 2 | 000000000 | 00000 | 0000 |
| 12 | M3 | 0.5 | 4 | 6 | 3 | 70,000 | 2 | 000000000 | 00000 | 0000 |
| 14 | M3 | 0.5 | 4 | 6 | 3 | 70,000 | 2 | 000000000 | 00000 | 0000 |
| 16 | M3 | 0.5 | 4 | 6 | 3 | 70,000 | 2 | 000000000 | 00000 | 0000 |
| 20 | M3 | 0.5 | 4 | 6 | 3 | 70,000 | 2 | 000000000 | 00000 | 0000 |
| 25 | M3 | 0.5 | 4 | 6 | 3 | 70,000 | 2 | 000000000 | 00000 | 0000 |
5 mm Shoulder Dia.—Precise Fit (-0.038 to -0.013 mm Dia. Tolerance) | ||||||||||
| 4 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 0000 |
| 5 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 0000 |
| 6 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 00000 |
| 8 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 00000 |
| 10 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 00000 |
| 12 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 00000 |
| 14 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 00000 |
| 16 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 00000 |
| 18 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 00000 |
| 20 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 00000 |
| 25 | M4 | 0.7 | 5 | 8 | 4 | 70,000 | 2.5 | 000000000 | 00000 | 00000 |
6 mm Shoulder Dia.—Precise Fit (-0.038 to -0.013 mm Dia. Tolerance) | ||||||||||
| 4 | M5 | 0.8 | 6 | 10 | 5 | 70,000 | 3 | 000000000 | 00000 | 0000 |
| 5 | M5 | 0.8 | 6 | 10 | 5 | 70,000 | 3 | 000000000 | 00000 | 00000 |
| 6 | M5 | 0.8 | 6 | 10 | 5 | 70,000 | 3 | 000000000 | 00000 | 00000 |
| 8 | M5 | 0.8 | 6 | 10 | 5 | 70,000 | 3 | 000000000 | 00000 | 00000 |
| 10 | M5 | 0.8 | 6 | 10 | 5 | 70,000 | 3 | 000000000 | 00000 | 00000 |
| 12 | M5 | 0.8 | 6 | 10 | 5 | 70,000 | 3 | 000000000 | 00000 | 00000 |
| 14 | M5 | 0.8 | 6 | 10 | 5 | 70,000 | 3 | 000000000 | 00000 | 00000 |
| 16 | M5 | 0.8 | 6 | 10 | 5 | 70,000 | 3 | 000000000 | 00000 | 00000 |
| 20 | M5 | 0.8 | 6 | 10 | 5 | 70,000 | 3 | 000000000 | 00000 | 00000 |
| 25 | M5 | 0.8 | 6 | 10 | 5 | 70,000 | 3 | 000000000 | 00000 | 00000 |
8 mm Shoulder Dia.—Precise Fit (-0.038 to -0.013 mm Dia. Tolerance) | ||||||||||
| 8 | M6 | 1 | 11 | 12 | 6 | 70,000 | 4 | 000000000 | 00000 | 00000 |
| 10 | M6 | 1 | 11 | 12 | 6 | 70,000 | 4 | 000000000 | 00000 | 00000 |
| 12 | M6 | 1 | 11 | 12 | 6 | 70,000 | 4 | 000000000 | 00000 | 00000 |
| 16 | M6 | 1 | 11 | 12 | 6 | 70,000 | 4 | 000000000 | 00000 | 00000 |
| 20 | M6 | 1 | 11 | 12 | 6 | 70,000 | 4 | 000000000 | 00000 | 00000 |
| 25 | M6 | 1 | 11 | 12 | 6 | 70,000 | 4 | 000000000 | 00000 | 00000 |
10 mm Shoulder Dia.—Precise Fit (-0.038 to -0.013 mm Dia. Tolerance) | ||||||||||
| 8 | M8 | 1.25 | 12 | 14 | 7 | 70,000 | 5 | 000000000 | 00000 | 00000 |
| 10 | M8 | 1.25 | 12 | 14 | 7 | 70,000 | 5 | 000000000 | 00000 | 00000 |
| 12 | M8 | 1.25 | 12 | 14 | 7 | 70,000 | 5 | 000000000 | 00000 | 00000 |
| 16 | M8 | 1.25 | 12 | 14 | 7 | 70,000 | 5 | 000000000 | 00000 | 00000 |
| 20 | M8 | 1.25 | 12 | 14 | 7 | 70,000 | 5 | 000000000 | 00000 | 00000 |
| 25 | M8 | 1.25 | 12 | 14 | 7 | 70,000 | 5 | 000000000 | 00000 | 00000 |
12 mm Shoulder Dia.—Precise Fit (-0.038 to -0.013 mm Dia. Tolerance) | ||||||||||
| 12 | M10 | 1.5 | 16 | 20 | 8 | 70,000 | 6 | 000000000 | 00000 | 00000 |
| 16 | M10 | 1.5 | 16 | 20 | 8 | 70,000 | 6 | 000000000 | 00000 | 00000 |
| 20 | M10 | 1.5 | 16 | 20 | 8 | 70,000 | 6 | 000000000 | 00000 | 00000 |
| 25 | M10 | 1.5 | 16 | 20 | 8 | 70,000 | 6 | 000000000 | 00000 | 00000 |
Low-Profile Precision Shoulder Screws
The head height of these screws is about two-thirds the head height of a standard shoulder screw. Use them in low-clearance applications such as inside machines. Made of 18-8 stainless steel, they have good corrosion resistance and may be mildly magnetic. With a shoulder diameter that is twice as precise as our general purpose shoulder screws, they provide smooth, accurate movement. Use them where precision matters, such as in measuring devices, optical fixtures, and laboratory equipment.
TiCN-coated stainless steel screws have a layer of titanium carbonitride to reduce friction and allow rotating and sliding components to move smoothly across their length.
For technical drawings and 3-D models, click on a part number.
Each | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Shoulder Lg. | Thread Size | Thread Lg. | Head Dia. | Head Ht. | Material | Finish | Tensile Strength, psi | Drive Size | 1-4 | 5-Up | |
1/8" Shoulder Dia.—Precise Fit (-0.001" to 0" Dia. Tolerance) | |||||||||||
| 5/8" | 4-40 | 5/32" | 1/4" | 3/32" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/64" | 000000000 | 000000 | 000000 |
| 7/8" | 4-40 | 5/32" | 1/4" | 3/32" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/64" | 000000000 | 00000 | 00000 |
| 1" | 4-40 | 5/32" | 1/4" | 3/32" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/64" | 000000000 | 00000 | 00000 |
5/32" Shoulder Dia.—Precise Fit (-0.001" to 0" Dia. Tolerance) | |||||||||||
| 1 1/4" | 6-32 | 3/16" | 9/32" | 3/32" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 3/32" | 000000000 | 00000 | 00000 |
1/4" Shoulder Dia.—Precise Fit (-0.001" to 0" Dia. Tolerance) | |||||||||||
| 1" | 10-32 | 1/4" | 3/8" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 1 1/4" | 10-32 | 1/4" | 3/8" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 1 1/2" | 10-32 | 1/4" | 3/8" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
5/16" Shoulder Dia.—Precise Fit (-0.001" to 0" Dia. Tolerance) | |||||||||||
| 1/4" | 1/4"-20 | 7/16" | 7/16" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 1/2" | 1/4"-20 | 7/16" | 7/16" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 1 1/2" | 1/4"-20 | 7/16" | 7/16" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
3/8" Shoulder Dia.—Precise Fit (-0.001" to 0" Dia. Tolerance) | |||||||||||
| 1/4" | 5/16"-18 | 1/2" | 1/2" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 3/8" | 5/16"-18 | 1/2" | 1/2" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 1/2" | 5/16"-18 | 1/2" | 1/2" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 3/4" | 5/16"-18 | 1/2" | 1/2" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 7/8" | 5/16"-18 | 1/2" | 1/2" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
| 1" | 5/16"-18 | 1/2" | 1/2" | 1/8" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 5/32" | 000000000 | 00000 | 00000 |
1/2" Shoulder Dia.—Precise Fit (-0.001" to 0" Dia. Tolerance) | |||||||||||
| 1/2" | 3/8"-16 | 5/8" | 5/8" | 5/32" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 1/4" | 000000000 | 00000 | 00000 |
| 5/8" | 3/8"-16 | 5/8" | 5/8" | 5/32" | 18-8 Stainless Steel | TiCN Coated | 70,000 | 1/4" | 000000000 | 00000 | 00000 |