Zinc Plated 4140 Alloy Steel Tri Groove Machine Screws
Machine Screws - Tamper Resistant Tri Groove, Class 2A, *fully threaded, requires unique drivers to prevent tampering.
4140 Alloy Steel - Strong and wear resistant, Rockwell Hardness C40, tensile strength 90,000 psi.
Zinc Plated - Good rust resistance.
| 4140 Alloy Steel Tamper Resistant Tri Groove Machine Screws, Zinc Plated | |||||
| Part # | Thread Size | Length | Pkg. Qty. | Pkg. Price | Order Online |
|---|---|---|---|---|---|
| ↓ #6 Drive, Head Diameter .260", Head Height .126" ↓ | |||||
| MSS-4263 | 6-32 | 3/8" | 100 | $72.87 | Add to Order |
| MSS-4264 | 6-32 | 1/2" | 100 | $74.13 | Add to Order |
| MSS-4278 | 6-32 | 3/4" | 100 | $76.65 | Add to Order |
| MSS-4266 | 8-32 | 3/8" | 100 | $71.99 | Add to Order |
| MSS-4255 | 8-32 | 1/2" | 100 | $85.81 | Add to Order |
| MSS-4268 | 8-32 | 3/4" | 100 | $87.28 | Add to Order |
| MSS-4269 | 8-32 | 1" | 50 | $61.74 | Add to Order |
| MSS-4270 | 8-32 | 1-1/4" | 50 | $55.73 | Add to Order |
| MSS-4271 | 8-32 | 1-1/2" | 50 | $68.96 | Add to Order |
| ↓ #10 Drive, Head Diameter .370", Head Height .148" ↓ | |||||
| MSS-4272 | 10-24 | 1/2" | 50 | $58.11 | Add to Order |
| MSS-4273 | 10-24 | 3/4" | 50 | $61.74 | Add to Order |
| MSS-4274 | 10-24 | 1" | 25 | $13.67 | Add to Order |
| MSS-4275 | 10-24 | 1-1/2" | 25 | $14.47 | Add to Order |
| MSS-4095 | 10-32 | 1/2" | 50 | $21.48 | Add to Order |
| MSS-4096 | 10-32 | 3/4" | 50 | $31.40 | Add to Order |
| MSS-4097 | 10-32 | 1" | 50 | $67.16 | Add to Order |
| MSS-4098 | 10-32 | 1-1/2" | 25 | $19.89 | Add to Order |
| MSS-4099 | 1/4"-20 | 1/2" | 50 | $31.90 | Add to Order |
| MSS-4100 | 1/4"-20 | 3/4" | 50 | $36.88 | Add to Order |
| MSS-4113 | 1/4"-20 | 1" | 25 | $20.39 | Add to Order |
| MSS-4102 | 1/4"-20 | 1-1/2" | 25 | $25.60 | Add to Order |
| MSS-4091 | 1/4"-20 | 2" | 25 | $19.68 | Add to Order |
| MSS-4104* | 1/4"-20 | 2-1/2" | 10 | $12.72 | Add to Order |
| ↓ #20 Drive, Head Diameter .580", Head Height .263" ↓ | |||||
| MSS-4105 | 5/16"-18 | 5/8" | 25 | $42.63 | Add to Order |
| MSS-4106 | 5/16"-18 | 3/4" | 25 | $45.34 | Add to Order |
| MSS-4107 | 5/16"-18 | 1" | 25 | $29.15 | Add to Order |
| Rev. 10-23, 08-23, 11-22, 03-22 | |||||
*Those longer than 2" have 1-1/2" of thread.