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About Shoulder Screws
More
Brass Precision Shoulder Screws
Brass shoulder screws are electrically conductive, nonmagnetic, and have good corrosion resistance. 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.
For technical drawings and 3-D models, click on a part number.
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" | 40,000 | 5/64" | 000000000 | 00000 | 00000 |
| 3/16" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | 000000000 | 0000 | 0000 |
| 1/4" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | 000000000 | 0000 | 0000 |
| 5/16" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | 000000000 | 0000 | 0000 |
| 3/8" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | 000000000 | 0000 | 0000 |
| 7/16" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | 000000000 | 0000 | 0000 |
| 1/2" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | 000000000 | 0000 | 0000 |
| 3/4" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | 000000000 | 0000 | 0000 |
| 1" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 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" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 3/16" | 6-32 | 3/16" | 9/32" | 1/8" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 1/4" | 6-32 | 3/16" | 9/32" | 1/8" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 5/16" | 6-32 | 3/16" | 9/32" | 1/8" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 3/8" | 6-32 | 3/16" | 9/32" | 1/8" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 7/16" | 6-32 | 3/16" | 9/32" | 1/8" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 1/2" | 6-32 | 3/16" | 9/32" | 1/8" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 3/4" | 6-32 | 3/16" | 9/32" | 1/8" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 1" | 6-32 | 3/16" | 9/32" | 1/8" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
3/16" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/8" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 3/16" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 1/4" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 5/16" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 3/8" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 7/16" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 1/2" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 5/8" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 3/4" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 1" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 1 1/4" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
| 1 1/2" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | 000000000 | 0000 | 0000 |
1/4" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/8" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 3/16" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 1/4" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 5/16" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 3/8" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 7/16" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 1/2" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 5/8" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 3/4" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 1" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 1 1/4" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
| 1 1/2" | 10-32 | 1/4" | 3/8" | 3/16" | 40,000 | 1/8" | 000000000 | 0000 | 0000 |
3/8" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/2" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 40,000 | 3/16" | 000000000 | 0000 | 0000 |
| 3/4" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 40,000 | 3/16" | 000000000 | 0000 | 0000 |
| 1" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 40,000 | 3/16" | 000000000 | 0000 | 0000 |
| 1 1/2" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 40,000 | 3/16" | 000000000 | 0000 | 0000 |
1/2" Shoulder Dia.—Precise Fit (-0.002" to 0" Dia. Tolerance) | |||||||||
| 1/2" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 40,000 | 1/4" | 000000000 | 0000 | 0000 |
| 3/4" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 40,000 | 1/4" | 000000000 | 0000 | 0000 |
| 1" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 40,000 | 1/4" | 000000000 | 0000 | 0000 |
| 1 1/2" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 40,000 | 1/4" | 000000000 | 0000 | 0000 |
Metric Brass Precision Shoulder Screws
Brass shoulder screws are electrically conductive, nonmagnetic, and have good corrosion resistance. 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.
For technical drawings and 3-D models, click on a part number.
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 (-0.025 to 0 mm Dia. Tolerance) | ||||||||||
| 4 | M3 | 0.5 | 4 | 6 | 3 | 40,000 | 2 | 000000000 | 00000 | 00000 |
| 5 | M3 | 0.5 | 4 | 6 | 3 | 40,000 | 2 | 000000000 | 0000 | 0000 |
| 6 | M3 | 0.5 | 4 | 6 | 3 | 40,000 | 2 | 000000000 | 0000 | 0000 |
| 8 | M3 | 0.5 | 4 | 6 | 3 | 40,000 | 2 | 000000000 | 0000 | 0000 |
| 10 | M3 | 0.5 | 4 | 6 | 3 | 40,000 | 2 | 000000000 | 0000 | 0000 |
5 mm Shoulder Dia.—Precise Fit (-0.025 to 0 mm Dia. Tolerance) | ||||||||||
| 4 | M4 | 0.7 | 9 | 9 | 4 | 40,000 | 2.5 | 000000000 | 0000 | 0000 |
| 5 | M4 | 0.7 | 9 | 9 | 4 | 40,000 | 2.5 | 000000000 | 0000 | 0000 |
| 6 | M4 | 0.7 | 9 | 9 | 4 | 40,000 | 2.5 | 000000000 | 0000 | 0000 |
| 8 | M4 | 0.7 | 9 | 9 | 4 | 40,000 | 2.5 | 000000000 | 0000 | 0000 |
| 10 | M4 | 0.7 | 9 | 9 | 4 | 40,000 | 2.5 | 000000000 | 0000 | 0000 |
| 12 | M4 | 0.7 | 9 | 9 | 4 | 40,000 | 2.5 | 000000000 | 0000 | 0000 |
| 16 | M4 | 0.7 | 9 | 9 | 4 | 40,000 | 2.5 | 000000000 | 0000 | 0000 |
| 20 | M4 | 0.7 | 9 | 9 | 4 | 40,000 | 2.5 | 000000000 | 0000 | 0000 |
6 mm Shoulder Dia.—Precise Fit (-0.025 to 0 mm Dia. Tolerance) | ||||||||||
| 4 | M5 | 0.8 | 10 | 10 | 4.5 | 40,000 | 3 | 000000000 | 0000 | 0000 |
| 5 | M5 | 0.8 | 10 | 10 | 4.5 | 40,000 | 3 | 000000000 | 0000 | 0000 |
| 6 | M5 | 0.8 | 10 | 10 | 4.5 | 40,000 | 3 | 000000000 | 0000 | 0000 |
| 8 | M5 | 0.8 | 10 | 10 | 4.5 | 40,000 | 3 | 000000000 | 0000 | 0000 |
| 10 | M5 | 0.8 | 10 | 10 | 4.5 | 40,000 | 3 | 000000000 | 0000 | 0000 |
| 12 | M5 | 0.8 | 10 | 10 | 4.5 | 40,000 | 3 | 000000000 | 0000 | 0000 |
| 16 | M5 | 0.8 | 10 | 10 | 4.5 | 40,000 | 3 | 000000000 | 0000 | 0000 |
| 20 | M5 | 0.8 | 10 | 10 | 4.5 | 40,000 | 3 | 000000000 | 0000 | 0000 |
8 mm Shoulder Dia.—Precise Fit (-0.025 to 0 mm Dia. Tolerance) | ||||||||||
| 8 | M6 | 1 | 11 | 13 | 5.5 | 40,000 | 4 | 000000000 | 0000 | 0000 |
| 10 | M6 | 1 | 11 | 13 | 5.5 | 40,000 | 4 | 000000000 | 0000 | 0000 |
| 12 | M6 | 1 | 11 | 13 | 5.5 | 40,000 | 4 | 000000000 | 0000 | 0000 |
| 16 | M6 | 1 | 11 | 13 | 5.5 | 40,000 | 4 | 000000000 | 0000 | 0000 |
| 20 | M6 | 1 | 11 | 13 | 5.5 | 40,000 | 4 | 000000000 | 0000 | 0000 |
10 mm Shoulder Dia.—Precise Fit (-0.025 to 0 mm Dia. Tolerance) | ||||||||||
| 8 | M8 | 1.25 | 13 | 16 | 7 | 40,000 | 5 | 000000000 | 0000 | 0000 |
| 10 | M8 | 1.25 | 13 | 16 | 7 | 40,000 | 5 | 000000000 | 0000 | 0000 |
| 12 | M8 | 1.25 | 13 | 16 | 7 | 40,000 | 5 | 000000000 | 0000 | 0000 |
| 16 | M8 | 1.25 | 13 | 16 | 7 | 40,000 | 5 | 000000000 | 0000 | 0000 |
| 18 | M8 | 1.25 | 13 | 16 | 7 | 40,000 | 5 | 000000000 | 0000 | 0000 |
| 20 | M8 | 1.25 | 13 | 16 | 7 | 40,000 | 5 | 000000000 | 0000 | 0000 |