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4140 Alloy Steel Tamper Resistant Tri Groove Machine Screws, Zinc Plated 

 

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
Stock # Thread Size Length Pkg Size Cost/Pkg Purchase Online
#6 Drive, Head Diameter .260", Head Height .126"
MSS-4263 6-32 3/8" 100 $25.46  Buy Now
MSS-4264 6-32 1/2" 100 $23.06  Buy Now
MSS-4278 6-32 3/4" 100 $23.96  Buy Now
MSS-4266 8-32 3/8" 100 $29.42  Buy Now
MSS-4255 8-32 1/2" 100 $24.60  Buy Now
MSS-4268 8-32 3/4" 100 $26.06  Buy Now
MSS-4269 8-32 1" 50 $15.16  Buy Now
MSS-4270 8-32 1-1/4" 50 $22.96  Buy Now
MSS-4271 8-32 1-1/2" 50 $18.48  Buy Now
#10 Drive, Head Diameter .370", Head Height .148"
MSS-4272 10-24 1/2" 50 $14.54  Buy Now
MSS-4273 10-24 3/4" 50 $16.68  Buy Now
MSS-4274 10-24 1" 25 $8.64  Buy Now
MSS-4275 10-24 1-1/2" 25 $11.46  Buy Now
MSS-4095 10-32 1/2" 50 $20.42  Buy Now
MSS-4096 10-32 3/4" 50 $23.28  Buy Now
MSS-4097 10-32 1" 50 $25.58  Buy Now
MSS-4098 10-32 1-1/2" 25 $16.96  Buy Now
MSS-4099 1/4"-20 1/2" 50 $27.28  Buy Now
MSS-4100 1/4"-20 3/4" 50 $25.70  Buy Now
MSS-4113 1/4"-20 1" 25 $13.10  Buy Now
MSS-4102 1/4"-20 1-1/2" 25 $12.60  Buy Now
MSS-4091 1/4"-20 2" 25 $14.12  Buy Now
MSS-4104* 1/4"-20 2-1/2" 10 $12.72  Buy Now
#20 Drive, Head Diameter .580", Head Height .263"
MSS-4105 5/16"-18 5/8" 25 $21.22  Buy Now
MSS-4106 5/16"-18 3/4" 25 $19.70  Buy Now
MSS-4107 5/16"-18 1" 25 $21.22  Buy Now

*except for those longer than 2" which have 1-1/2" of thread.

Prices are subject to change due to fluctuating market conditions.









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Extruded Acrylic Square Bars Mfg'd by FuturPlast