Filter by
Thread Direction
System of Measurement
Material
Drive Style
Thread Spacing
Fastener Head Type
Thread Type
Head Texture
Relative Thread Size
Sold As
U.S.–Mexico–Canada Agreement (USMCA) Qualifying
Minimum Shear Strength
Performance
Relative Thread Length
Hardness
DFARS Specialty Metals
Export Control Classification Number (ECCN)
RoHS
REACH
Left-Hand-Thread Stainless Steel Hex-Drive Shoulder Screws
 |
Turn left to tighten these screws. You read that right. Unlike other shoulder screws, they won't come loose during counterclockwise rotation.
18-8 Stainless Steel—The choice for wet and outdoor environments, these screws won't rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
Head | Certificate | Each | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Shoulder Lg. | Thread Size | Thread Lg. | Dia. | Ht. | Drive Size | Tensile Strength, psi | Type | Form | 1-4 | 5-Up | |||
18-8 Stainless Steel | |||||||||||||
1/8" Diameter Shoulder (-0.004" to -0.002" Tolerance) | |||||||||||||
| 1/8" | 4-40 | 5/32" | 1/4" | 1/8" | 5/64" | 70,000 | — | — | 90324A005 | 00000 | 00000 | ||
| 3/16" | 4-40 | 5/32" | 1/4" | 1/8" | 5/64" | 70,000 | Material Certificate | Digital | 90324A008 | 0000 | 0000 | ||
| 1/4" | 4-40 | 5/32" | 1/4" | 1/8" | 5/64" | 70,000 | — | — | 90324A012 | 0000 | 0000 | ||
| 3/8" | 4-40 | 5/32" | 1/4" | 1/8" | 5/64" | 70,000 | — | — | 90324A016 | 0000 | 0000 | ||
| 1/2" | 4-40 | 5/32" | 1/4" | 1/8" | 5/64" | 70,000 | — | — | 90324A020 | 0000 | 0000 | ||
5/32" Diameter Shoulder (-0.004" to -0.002" Tolerance) | |||||||||||||
| 1/8" | 6-32 | 3/16" | 9/32" | 1/8" | 3/32" | 70,000 | — | — | 90324A026 | 0000 | 0000 | ||
| 3/16" | 6-32 | 3/16" | 9/32" | 1/8" | 3/32" | 70,000 | — | — | 90324A030 | 0000 | 0000 | ||
| 1/4" | 6-32 | 3/16" | 9/32" | 1/8" | 3/32" | 70,000 | — | — | 90324A034 | 0000 | 0000 | ||
| 3/8" | 6-32 | 3/16" | 9/32" | 1/8" | 3/32" | 70,000 | Material Certificate | Digital | 90324A038 | 0000 | 0000 | ||
| 1/2" | 6-32 | 3/16" | 9/32" | 1/8" | 3/32" | 70,000 | — | — | 90324A042 | 0000 | 0000 | ||
3/16" Diameter Shoulder (-0.004" to -0.002" Tolerance) | |||||||||||||
| 1/8" | 8-32 | 3/16" | 5/16" | 5/32" | 3/32" | 70,000 | Material Certificate | Digital | 90324A048 | 0000 | 0000 | ||
| 3/16" | 8-32 | 3/16" | 5/16" | 5/32" | 3/32" | 70,000 | — | — | 90324A052 | 0000 | 0000 | ||
| 1/4" | 8-32 | 3/16" | 5/16" | 5/32" | 3/32" | 70,000 | — | — | 90324A056 | 0000 | 0000 | ||
| 3/8" | 8-32 | 3/16" | 5/16" | 5/32" | 3/32" | 70,000 | — | — | 90324A060 | 0000 | 0000 | ||
| 1/2" | 8-32 | 3/16" | 5/16" | 5/32" | 3/32" | 70,000 | Material Certificate | Digital | 90324A064 | 0000 | 0000 | ||
| 3/4" | 8-32 | 3/16" | 5/16" | 5/32" | 3/32" | 70,000 | Material Certificate | Digital | 90324A068 | 0000 | 0000 | ||
| 1" | 8-32 | 3/16" | 5/16" | 5/32" | 3/32" | 70,000 | — | — | 90324A072 | 0000 | 0000 | ||
1/4" Diameter Shoulder (-0.004" to -0.002" Tolerance) | |||||||||||||
| 1/4" | 10-24 | 3/8" | 3/8" | 3/16" | 1/8" | 70,000 | — | — | 90324A078 | 0000 | 0000 | ||
| 3/8" | 10-24 | 3/8" | 3/8" | 3/16" | 1/8" | 70,000 | Material Certificate | Digital | 90324A082 | 0000 | 0000 | ||
| 1/2" | 10-24 | 3/8" | 3/8" | 3/16" | 1/8" | 70,000 | Material Certificate | Digital | 90324A086 | 0000 | 0000 | ||
| 5/8" | 10-24 | 3/8" | 3/8" | 3/16" | 1/8" | 70,000 | — | — | 90324A090 | 0000 | 0000 | ||
| 3/4" | 10-24 | 3/8" | 3/8" | 3/16" | 1/8" | 70,000 | — | — | 90324A094 | 0000 | 0000 | ||
| 1" | 10-24 | 3/8" | 3/8" | 3/16" | 1/8" | 70,000 | Material Certificate | Digital | 90324A098 | 0000 | 0000 | ||
5/16" Diameter Shoulder (-0.004" to -0.002" Tolerance) | |||||||||||||
| 1/4" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 5/32" | 70,000 | — | — | 90324A102 | 0000 | 0000 | ||
| 3/8" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 5/32" | 70,000 | — | — | 90324A106 | 0000 | 0000 | ||
| 1/2" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 5/32" | 70,000 | — | — | 90324A110 | 0000 | 0000 | ||
| 5/8" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 5/32" | 70,000 | — | — | 90324A114 | 0000 | 0000 | ||
| 3/4" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 5/32" | 70,000 | — | — | 90324A118 | 0000 | 0000 | ||
| 1" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 5/32" | 70,000 | Material Certificate | Digital | 90324A122 | 0000 | 0000 | ||
3/8" Diameter Shoulder (-0.004" to -0.002" Tolerance) | |||||||||||||
| 1/2" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 3/16" | 70,000 | — | — | 90324A128 | 0000 | 0000 | ||
| 3/4" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 3/16" | 70,000 | Material Certificate | Digital | 90324A132 | 0000 | 0000 | ||
| 1" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 3/16" | 70,000 | — | — | 90324A136 | 0000 | 0000 | ||
| 1 1/2" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 3/16" | 70,000 | Material Certificate | Digital | 90324A140 | 0000 | 0000 | ||
| 2" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 3/16" | 70,000 | Material Certificate | Digital | 90324A144 | 0000 | 0000 | ||
1/2" Diameter Shoulder (-0.004" to -0.002" Tolerance) | |||||||||||||
| 1/2" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 1/4" | 70,000 | — | — | 90324A152 | 0000 | 0000 | ||
| 3/4" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 1/4" | 70,000 | — | — | 90324A156 | 0000 | 0000 | ||
| 1" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 1/4" | 70,000 | Material Certificate | Digital | 90324A160 | 0000 | 0000 | ||
| 1 1/2" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 1/4" | 70,000 | — | — | 90324A164 | 0000 | 0000 | ||
| 2" | 3/8"-16 | 5/8" | 3/4" | 5/16" | 1/4" | 70,000 | — | — | 90324A168 | 00000 | 0000 | ||
 |
Shoulder Shortening |
 |
Shoulder Lengthening |
 |
Shoulder Shortening | Shoulder Lengthening | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Thk. | For Screw Size | Pkg. Qty. | Pkg. | For Screw Size | Pkg. Qty. | Pkg. | ||||
18-8 Stainless Steel | ||||||||||
For 1/8" Diameter Shoulder | ||||||||||
| 0.005" | No. 4 | 10 | 94773A606 | 00000 | — | — | ——— | 0 | ||
| 0.01" | No. 4 | 10 | 94773A647 | 0000 | — | — | ——— | 0 | ||
| 0.016" | No. 4 | 10 | 94773A679 | 0000 | — | — | ——— | 0 | ||
| 0.02" | No. 4 | 10 | 94773A706 | 0000 | — | — | ——— | 0 | ||
| 0.03" | No. 4 | 10 | 94773A737 | 0000 | — | — | ——— | 0 | ||
| 0.06" | No. 4 | 5 | 94773A766 | 0000 | — | — | ——— | 0 | ||
For 3/16" Diameter Shoulder | ||||||||||
| 0.005" | No. 8 | 10 | 94773A608 | 0000 | No. 8 | 10 | 90135A432 | 000000 | ||
| 0.01" | No. 8 | 10 | 94773A649 | 0000 | — | — | ——— | 0 | ||
| 0.016" | No. 8 | 10 | 94773A681 | 0000 | — | — | ——— | 0 | ||
| 0.02" | No. 8 | 10 | 94773A708 | 0000 | — | — | ——— | 0 | ||
| 0.03" | No. 8 | 10 | 94773A739 | 0000 | — | — | ——— | 0 | ||
| 0.06" | No. 8 | 5 | 94773A768 | 0000 | — | — | ——— | 0 | ||
For 1/4" Diameter Shoulder | ||||||||||
| 0.005" | No. 10 | 50 | 94773A610 | 0000 | No. 10 | 50 | 90135A431 | 00000 | ||
| 0.01" | No. 10 | 100 | 94773A651 | 00000 | — | — | ——— | 0 | ||
| 0.016" | No. 10 | 50 | 94773A683 | 00000 | No. 10 | 50 | 90135A443 | 00000 | ||
| 0.02" | No. 10 | 50 | 94773A710 | 00000 | — | — | ——— | 0 | ||
| 0.03" | No. 10 | 50 | 94773A741 | 00000 | No. 10 | 25 | 90135A455 | 0000 | ||
| 0.06" | No. 10 | 25 | 94773A770 | 0000 | — | — | ——— | 0 | ||
For 5/16" Diameter Shoulder | ||||||||||
| 0.005" | 1/4" | 50 | 94773A612 | 0000 | 1/4" | 50 | 90135A433 | 00000 | ||
| 0.01" | 1/4" | 25 | 94773A653 | 0000 | — | — | ——— | 0 | ||
| 0.016" | 1/4" | 25 | 94773A686 | 0000 | 1/4" | 25 | 90135A445 | 0000 | ||
| 0.02" | 1/4" | 25 | 94773A712 | 0000 | — | — | ——— | 0 | ||
| 0.03" | 1/4" | 100 | 94773A743 | 00000 | 1/4" | 25 | 90135A457 | 00000 | ||
| 0.06" | 1/4" | 25 | 94773A772 | 0000 | — | — | ——— | 0 | ||
For 3/8" Diameter Shoulder | ||||||||||
| 0.005" | 5/16" | 25 | 94773A614 | 0000 | 5/16" | 50 | 90135A435 | 00000 | ||
| 0.01" | 5/16" | 25 | 94773A655 | 00000 | — | — | ——— | 0 | ||
| 0.016" | 5/16" | 25 | 94773A688 | 00000 | 5/16" | 25 | 90135A447 | 00000 | ||
| 0.02" | 5/16" | 25 | 94773A714 | 0000 | — | — | ——— | 0 | ||
| 0.03" | 5/16" | 50 | 94773A745 | 00000 | 5/16" | 25 | 90135A459 | 00000 | ||
| 0.06" | 5/16" | 25 | 94773A774 | 0000 | — | — | ——— | 0 | ||
For 1/2" Diameter Shoulder | ||||||||||
| 0.005" | 3/8" | 25 | 94773A616 | 0000 | 3/8" | 25 | 90135A437 | 00000 | ||
| 0.01" | 3/8" | 25 | 94773A657 | 00000 | — | — | ——— | 0 | ||
| 0.016" | 3/8" | 25 | 94773A689 | 00000 | 3/8" | 25 | 90135A449 | 00000 | ||
| 0.02" | 3/8" | 25 | 94773A716 | 00000 | — | — | ——— | 0 | ||
| 0.03" | 3/8" | 50 | 94773A747 | 00000 | 3/8" | 25 | 90135A461 | 00000 | ||
| 0.06" | 3/8" | 25 | 94773A776 | 0000 | — | — | ——— | 0 | ||
