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Machine Screws

5/16"-18 Thread Size Machine Screws

 

Machine Screws - Class 2A, fully threaded.

  • 18-8 Stainless Steel - Excellent corrosion resistance, mildly magnetic, Rockwell hardness is B80, tensile strength 75,000 psi.

  • 316 Stainless Steel - Corrosion resistant, mildly magnetic, withstands chemicals, solvents and chlorides. Rockwell Hardness B80, tensile strength 75,000 psi.

  • 4140 Alloy Steel – Strong and wear resistant, Rockwell Hardness C40, tensile strength 90,000 psi.

  • Brass - Nonmagnetic and good corrosion resistance, Rockwell hardness B55, tensile strength 53,000 psi.

  • C1006-C1024 Steel - Rockwell Hardness B60, tensile strength 60,000 psi.

 

5/16"-18 Thread Size Machine Screws, Class 2A, Fully Threaded
Stock # Length Pkg Size Cost/Pkg Purchase Online
18-8 Stainless Steel 
Extra Wide Low Profile Slotted, Head Diameter .755", Head Height .110"
MSS-2420 1" 5 $20.02  Buy Now
Fillister Head Slotted Drive
MSS-139 1/2" 25 $26.06  Buy Now
MSS-107 3/4" 10 $11.86  Buy Now
MSS-3177 1" 10 $13.66  Buy Now
MSS-3178 1-3/4" 10 $19.78  Buy Now
Flat Head Phillips #4 Drive
MSS-5801+ 1/2" 25 $19.14  Buy Now
MSS-4807 5/8" 25 $22.70  Buy Now
MSS-4796 3/4" 25 $23.92  Buy Now
MSS-4809 7/8" 25 $27.52  Buy Now
MSS-5902 1" 25 $29.90  Buy Now
MSS-4811 1-1/4" 25 $29.22  Buy Now
MSS-4812 1-1/2" 10 $15.36  Buy Now
MSS-4813 1-3/4" 10 $16.54  Buy Now
MSS-4814 2" 10 $17.30  Buy Now
MSS-5929* 2-1/4" 10 $22.04  Buy Now
MSS-4853* 2-1/2" 10 $23.56  Buy Now
MSS-4806* 3" 10 $26.22  Buy Now
MSS-5908* 3-1/2" 10 $29.90  Buy Now
MSS-4867* 4" 10 $29.90  Buy Now
MSS-5910* 5" 5 $27.86  Buy Now
Flat Head Slotted Drive
MSS-4023+ 1/2" 25 $23.18  Buy Now
MSS-4024 3/4" 25 $26.88  Buy Now
MSS-4025 1" 25 $28.88  Buy Now
MSS-4026 1-1/4" 25 $29.90  Buy Now
MSS-4027 1-1/2" 10 $15.94  Buy Now
MSS-4028 1-3/4" 10 $16.20  Buy Now
MSS-4029 2" 10 $16.94  Buy Now
MSS-4043* 2-1/2" 10 $22.82  Buy Now
MSS-4031* 3" 10 $25.32  Buy Now
MSS-4020* 4" 10 $29.80  Buy Now
MSS-4033* 5" 5 $29.90  Buy Now
MSS-4034* 6" 1 $14.06  Buy Now
Oval Head Phillips #4 Drive
MSS-3058 3/4" 25 $29.82  Buy Now
MSS-3059 1" 10 $13.94  Buy Now
MSS-3060 1-1/4" 10 $15.98  Buy Now
MSS-3061 1-1/2" 10 $16.26  Buy Now
MSS-3062 2" 10 $19.38  Buy Now
MSS-3063* 2-1/2" 10 $22.64  Buy Now
MSS-3064* 3" 10 $29.74  Buy Now
Pan Head Phillips #4 Drive
MSS-1173 1/2" 25 $22.80  
MSS-6040 3/4" 25 $20.72  
MSS-1442 1" 10 $12.02  
MSS-1443 1-1/4" 10 $13.78  
MSS-1457 1-1/2" 10 $16.26  
MSS-1445 2" 10 $19.34  
MSS-1434* 2-1/2" 10 $22.64  
MSS-1447* 3" 10 $26.96  
MSS-1448* 3-1/2" 5 $18.04  
MSS-1449* 4" 5 $18.04  
MSS-1450* 5" 1 $6.86  
MSS-1451* 6" 1 $12.90  
Pan Head Slotted Drive
MSS-1609 1/2" 25 $21.36  Buy Now
MSS-1644 3/4" 25 $23.62  Buy Now
MSS-1670 1" 25 $27.62  Buy Now
MSS-1671 1-1/2" 25 $29.90  Buy Now
MSS-1672 2" 10 $17.48  Buy Now
Round Head Phillips #3 Drive
MSS-2906 1/2" 25 $22.62  
MSS-6048 5/8" 25 $24.08  Buy Now
MSS-6049 3/4" 25 $26.08  Buy Now
MSS-2908 1" 25 $29.70  Buy Now
MSS-2909 1-1/4" 10 $15.44  Buy Now
MSS-2910 1-1/2" 10 $17.50  Buy Now
MSS-2911 2" 10 $19.34  Buy Now
MSS-2912* 2-1/2" 10 $25.62  Buy Now
MSS-2880* 3" 10 $29.90  Buy Now
MSS-2903* 3-1/2" 10 $29.90  Buy Now
Round Head Phillips #3 Drive
MSS-2314 1/2" 25 $23.18  Buy Now
MSS-2267 3/4" 25 $26.88  Buy Now
MSS-2302 1" 25 $28.88  Buy Now
MSS-2328 1-1/4" 25 $29.90  Buy Now
MSS-2329 1-1/2" 10 $29.90  Buy Now
MSS-2330 1-3/4" 10 $16.20  Buy Now
MSS-2331 2" 10 $16.94  Buy Now
MSS-2332* 2-1/2" 10 $22.82  Buy Now
MSS-2333* 3" 10 $25.32  Buy Now
MSS-2334* 4" 10 $29.80  Buy Now
MSS-2335* 5" 5 $29.90  Buy Now
MSS-2336 6" 1 $14.06  Buy Now
Truss Head Phillips #4 Drive
MSS-2820 1/2" 25 $29.74  Buy Now
MSS-2808 5/8" 25 $29.90  Buy Now
MSS-2797 3/4" 10 $13.28  Buy Now
MSS-2810 1" 10 $15.02  Buy Now
MSS-2811 1-1/4" 10 $15.34  Buy Now
MSS-2812 1-1/2" 10 $19.90  Buy Now
MSS-2813 2" 10 $22.00  Buy Now
MSS-2814* 2-1/2" 10 $29.52  Buy Now
Truss Head Slotted Drive
MSS-2638 1/2" 25 $23.46  Buy Now
MSS-2640 3/4" 25 $27.24  Buy Now
MSS-2641 1" 25 $29.90  Buy Now
MSS-2642 1-1/2" 10 $13.64  Buy Now
MSS-2655 2" 10 $18.98  Buy Now
Truss Head Tamper Resist Drilled Spanner #14 (1/4") Drive
MSS-2851 3/4" 10 $13.26  Buy Now
MSS-2852 1" 10 $14.18  Buy Now
MSS-2853 1-1/4" 10 $16.46  Buy Now
MSS-2867 1-1/2" 10 $18.74  Buy Now
MSS-2855 2" 10 $18.74  Buy Now
MSS-2844* 2-1/2" 10 $20.70  Buy Now
316 Stainless Steel 
Flat Head Phillips #3 Drive
MSS-4692 3/4" 10 $16.26  Buy Now
MSS-5832 1" 10 $18.46  Buy Now
MSS-5831 1-1/4" 10 $20.96  Buy Now
MSS-4695 1-1/2" 10 $23.56  Buy Now
MSS-5830 2" 10 $25.98  Buy Now
MSS-3953* 2-1/2" 5 $24.92  
Flat Head Slotted Drive
MSS-3541+ 1/2" 10 $19.40  Buy Now
MSS-3542 3/4" 10 $22.42  Buy Now
MSS-3543 1" 10 $24.82  Buy Now
MSS-3544 1-1/4" 10 $29.16  Buy Now
MSS-3545 1-1/2" 10 $29.70  Buy Now
MSS-3546 2" 10 $29.90  Buy Now
MSS-3547* 2-1/2" 5 $24.92  Buy Now
4140 Alloy Steel, Zinc Plated
Tamper Resist Tri Groove #20 Drive, Head Diameter .580", Head Height .263"
MSS-4105 5/8" 25 $21.22  Buy Now
MSS-4106 3/4" 25 $19.70 Buy Now 
MSS-4107 1" 25 $42.44  Buy Now
Brass 50749
Flat Head Slotted Drive
MSS-4047 1/2" 25 $22.28  Buy Now
MSS-4048 3/4" 25 $25.22  Buy Now
MSS-4049 1" 25 $29.76  Buy Now
MSS-4050 1-1/4" 10 $15.42  Buy Now
MSS-4051 1-1/2" 10 $19.68  Buy Now
MSS-4052 2" 10 $22.48  Buy Now
MSS-4053* 2-1/2" 10 $27.04  Buy Now
MSS-4066* 3" 5 $16.06  Buy Now
Round Head Slotted Drive
MSS-438 1/2" 25 $25.56  Buy Now
MSS-439 3/4" 25 $29.66  Buy Now
MSS-440 1" 10 $15.36  Buy Now
MSS-441 1-1/2" 10 $21.42  Buy Now
MSS-442 2" 10 $25.84  Buy Now
C1006-C1024 Steel, Zinc Plated
Fillister Head Slotted Drive
MSS-124 3/4" 50 $22.74  Buy Now
MSS-125 1" 50 $22.88  Buy Now
Flat Head Phillips #4 Drive
MSS-3987+ 1/2" 100 $25.86  Buy Now
MSS-3988 3/4" 50 $16.00  Buy Now
MSS-3989 1" 50 $14.80  Buy Now
MSS-3990 1-1/4" 50 $15.12  Buy Now
MSS-3991 1-1/2" 50 $21.10  Buy Now
MSS-3993 2" 10 $8.18  Buy Now
MSS-3994* 2-1/2" 10 $8.88  Buy Now
MSS-3962* 3" 10 $11.16  Buy Now
Flat Head Slotted Drive
MSS-3396+ 1/2" 100 $25.56  Buy Now
MSS-3431 5/8" 50 $9.80  Buy Now
MSS-3457 3/4" 100 $26.28  Buy Now
MSS-3458 7/8" 100 $27.22  Buy Now
MSS-3459 1" 50 $14.48  Buy Now
MSS-3460 1-1/4" 50 $15.22  Buy Now
MSS-3461 1-1/2" 50 $17.86  Buy Now
MSS-3462 1-3/4" 25 $9.00  Buy Now
MSS-3463 2" 25 $9.46  Buy Now
MSS-3464* 2-1/4" 25 $11.02  Buy Now
MSS-3465* 2-1/2" 25 $10.72  Buy Now
MSS-3479* 3" 50 $28.06  Buy Now
MSS-3467* 3-1/2" 25 $16.62  Buy Now
MSS-3456* 4" 10 $8.66  Buy Now
MSS-3469* 4-1/2" 10 $9.96  Buy Now
MSS-3470* 5" 10 $10.36  Buy Now
MSS-3471* 6" 10 $11.00  Buy Now
Pan Head Phillips #4 Drive
MSS-827 5/8" 25 $12.04  Buy Now
MSS-828 3/4" 50 $17.30  Buy Now
MSS-829 1" 50 $18.80  Buy Now
MSS-830 2" 25 $21.14  Buy Now
Pan Head Slotted Drive
MSS-1513 3/4" 100 $26.00  Buy Now
MSS-1514 1" 50 $14.94  Buy Now
Round Head Phillips Drive
MSS-2401 3/4" 50 $18.90  Buy Now
MSS-2402 1" 25 $11.16  Buy Now
MSS-2403 1-1/2" 50 $28.26  Buy Now
Round Head Slotted Drive
MSS-504 3/8" 100 $27.58  Buy Now
MSS-472 1/2" 100 $15.94  Buy Now
MSS-473 5/8" 100 $18.10  Buy Now
MSS-474 3/4" 100 $18.34  Buy Now
MSS-475 1" 100 $24.20  Buy Now
MSS-476 1-1/4" 100 $25.08  Buy Now
MSS-477 1-1/2" 50 $12.60  Buy Now
MSS-478 2" 25 $10.76  Buy Now
MSS-479* 2-1/4" 50 $18.20  Buy Now
MSS-480* 2-1/2" 25 $11.96  Buy Now
MSS-493* 3" 50 $27.50  Buy Now
MSS-482* 4" 10 $8.82  Buy Now
MSS-471* 5" 10 $11.58  Buy Now
Truss Head Slotted Drive
MSS-2971 1/2" 100 $16.72  Buy Now
MSS-2985 3/4" 50 $19.52  Buy Now
MSS-2973 1" 25 $11.18  Buy Now
MSS-2962 1-1/2" 25 $11.86  Buy Now
MSS-2975 2" 25 $18.56  Buy Now
MSS-2976* 2-1/2" 10 $8.98  Buy Now
MSS-2977* 3" 25 $16.58  Buy Now

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

+ Undercut head to allow more threading.

Prices are subject to change due to fluctuating market conditions.









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