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Slotted Head Shoulder Screws
5/16" Head Diameter
Available in 303, 316, 416 Stainless Steel, 4140 Alloy Steel,
Brass and Carbon Steel all with or without plating


Back To Shoulder Screws Page
*External Thread has a 45 ° Angle on External Thread.
Slightly Chamfered to Permit Smooth Entry / Fit.

  • 303 Stainless Steel • 316 Stainless Steel • 416 Stainless Steel • 4140 Alloy Steel  
    • Brass • Carbon Steel    
CHOOSE and write down your PART NUMBER
then Go to     Skip Step 1
303 Stainless Steel

    Part Number

A B C D L Thread
   SCS312- 1 5/16 .187 5/32 3/16 .125 6- 32
   SCS312- 2 5/16 .187 5/32 3/16 .188 6- 32
   SCS312- 3 5/16 .187 5/32 3/16 .250 6- 32
   SCS312- 4 5/16 .187 5/32 3/16 .313 6- 32
   SCS312- 5 5/16 .187 5/32 3/16 .375 6- 32
   SCS312- 5A 5/16 .187 5/32 3/16 .437 6- 32
   SCS312- 6 5/16 .187 5/32 3/16 .500 6- 32
   SCS312- 6A 5/16 .187 5/32 3/16 .562 6- 32
   SCS312- 7 5/16 .187 5/32 3/16 .625 6- 32
   SCS312- 7A 5/16 .187 5/32 3/16 .687 6- 32
   SCS312- 8 5/16 .187 5/32 3/16 .750 6- 32
   SCS312- 8A 5/16 .187 5/32 3/16 .875 6- 32
   SCS312- 9 5/16 .187 5/32 3/16 1.000 6- 32
   SCS312- 9A 5/16 .187 5/32 3/16 1.125 6- 32
   SCS312- 10 5/16 .187 5/32 3/16 1.250 6- 32
   SCS312- 10A 5/16 .187 5/32 3/16 1.375 6- 32
   SCS312- 11 5/16 .187 5/32 3/16 1.500 6- 32
   SCS312- 12 5/16 .187 5/32 3/16 .125 8- 32
   SCS312- 13 5/16 .187 5/32 3/16 .188 8- 32
   SCS312- 14 5/16 .187 5/32 3/16 .250 8- 32
   SCS312- 15 5/16 .187 5/32 3/16 .313 8- 32
   SCS312- 16 5/16 .187 5/32 3/16 .375 8- 32
   SCS312- 16A 5/16 .187 5/32 3/16 .437 8- 32
   SCS312- 17 5/16 .187 5/32 3/16 .500 8- 32
   SCS312- 17A 5/16 .187 5/32 3/16 .562 8- 32
   SCS312- 18 5/16 .187 5/32 3/16 .625 8- 32
   SCS312- 18A 5/16 .187 5/32 3/16 .687 8- 32
   SCS312- 19 5/16 .187 5/32 3/16 .750 8- 32
   SCS312- 19A 5/16 .187 5/32 3/16 .875 8- 32
   SCS312- 20 5/16 .187 5/32 3/16 1.000 8- 32
   SCS312- 20A 5/16 .187 5/32 3/16 1.125 8- 32
   SCS312- 21 5/16 .187 5/32 3/16 1.250 8- 32
   SCS312- 21A 5/16 .187 5/32 3/16 1.375 8- 32
   SCS312- 22 5/16 .187 5/32 3/16 1.500 8- 32
316 Stainless Steel

    Part Number

A B C D L Thread
   SCS312-316- 1 5/16 .187 5/32 3/16 .125 6- 32
   SCS312-316- 2 5/16 .187 5/32 3/16 .188 6- 32
   SCS312-316- 3 5/16 .187 5/32 3/16 .250 6- 32
   SCS312-316- 4 5/16 .187 5/32 3/16 .313 6- 32
   SCS312-316- 5 5/16 .187 5/32 3/16 .375 6- 32
   SCS312-316- 5A 5/16 .187 5/32 3/16 .437 6- 32
   SCS312-316- 6 5/16 .187 5/32 3/16 .500 6- 32
   SCS312-316- 6A 5/16 .187 5/32 3/16 .562 6- 32
   SCS312-316- 7 5/16 .187 5/32 3/16 .625 6- 32
   SCS312-316- 7A 5/16 .187 5/32 3/16 .687 6- 32
   SCS312-316- 8 5/16 .187 5/32 3/16 .750 6- 32
   SCS312-316- 8A 5/16 .187 5/32 3/16 .875 6- 32
   SCS312-316- 9 5/16 .187 5/32 3/16 1.000 6- 32
   SCS312-316- 9A 5/16 .187 5/32 3/16 1.125 6- 32
   SCS312-316- 10 5/16 .187 5/32 3/16 1.250 6- 32
   SCS312-316- 10A 5/16 .187 5/32 3/16 1.375 6- 32
   SCS312-316- 11 5/16 .187 5/32 3/16 1.500 6- 32
   SCS312-316- 12 5/16 .187 5/32 3/16 .125 8- 32
   SCS312-316- 13 5/16 .187 5/32 3/16 .188 8- 32
   SCS312-316- 14 5/16 .187 5/32 3/16 .250 8- 32
   SCS312-316- 15 5/16 .187 5/32 3/16 .313 8- 32
   SCS312-316- 16 5/16 .187 5/32 3/16 .375 8- 32
   SCS312-316- 16A 5/16 .187 5/32 3/16 .437 8- 32
   SCS312-316- 17 5/16 .187 5/32 3/16 .500 8- 32
   SCS312-316- 17A 5/16 .187 5/32 3/16 .562 8- 32
   SCS312-316- 18 5/16 .187 5/32 3/16 .625 8- 32
   SCS312-316- 18A 5/16 .187 5/32 3/16 .687 8- 32
   SCS312-316- 19 5/16 .187 5/32 3/16 .750 8- 32
   SCS312-316- 19A 5/16 .187 5/32 3/16 .875 8- 32
   SCS312-316- 20 5/16 .187 5/32 3/16 1.000 8- 32
   SCS312-316- 20A 5/16 .187 5/32 3/16 1.125 8- 32
   SCS312-316- 21 5/16 .187 5/32 3/16 1.250 8- 32
   SCS312-316- 21A 5/16 .187 5/32 3/16 1.375 8- 32
   SCS312-316- 22 5/16 .187 5/32 3/16 1.500 8- 32
416 Stainless Steel

    Part Number

A B C D L Thread
   SCS312-416- 1 5/16 .187 5/32 3/16 .125 6- 32
   SCS312-416- 2 5/16 .187 5/32 3/16 .188 6- 32
   SCS312-416- 3 5/16 .187 5/32 3/16 .250 6- 32
   SCS312-416- 4 5/16 .187 5/32 3/16 .313 6- 32
   SCS312-416- 5 5/16 .187 5/32 3/16 .375 6- 32
   SCS312-416- 5A 5/16 .187 5/32 3/16 .437 6- 32
   SCS312-416- 6 5/16 .187 5/32 3/16 .500 6- 32
   SCS312-416- 6A 5/16 .187 5/32 3/16 .562 6- 32
   SCS312-416- 7 5/16 .187 5/32 3/16 .625 6- 32
   SCS312-416- 7A 5/16 .187 5/32 3/16 .687 6- 32
   SCS312-416- 8 5/16 .187 5/32 3/16 .750 6- 32
   SCS312-416- 8A 5/16 .187 5/32 3/16 .875 6- 32
   SCS312-416- 9 5/16 .187 5/32 3/16 1.000 6- 32
   SCS312-416- 9A 5/16 .187 5/32 3/16 1.125 6- 32
   SCS312-416- 10 5/16 .187 5/32 3/16 1.250 6- 32
   SCS312-416- 10A 5/16 .187 5/32 3/16 1.375 6- 32
   SCS312-416- 11 5/16 .187 5/32 3/16 1.500 6- 32
   SCS312-416- 12 5/16 .187 5/32 3/16 .125 8- 32
   SCS312-416- 13 5/16 .187 5/32 3/16 .188 8- 32
   SCS312-416- 14 5/16 .187 5/32 3/16 .250 8- 32
   SCS312-416- 15 5/16 .187 5/32 3/16 .313 8- 32
   SCS312-416- 16 5/16 .187 5/32 3/16 .375 8- 32
   SCS312-416- 16A 5/16 .187 5/32 3/16 .437 8- 32
   SCS312-416- 17 5/16 .187 5/32 3/16 .500 8- 32
   SCS312-416- 17A 5/16 .187 5/32 3/16 .562 8- 32
   SCS312-416- 18 5/16 .187 5/32 3/16 .625 8- 32
   SCS312-416- 18A 5/16 .187 5/32 3/16 .687 8- 32
   SCS312-416- 19 5/16 .187 5/32 3/16 .750 8- 32
   SCS312-416- 19A 5/16 .187 5/32 3/16 .875 8- 32
   SCS312-416- 20 5/16 .187 5/32 3/16 1.000 8- 32
   SCS312-416- 20A 5/16 .187 5/32 3/16 1.125 8- 32
   SCS312-416- 21 5/16 .187 5/32 3/16 1.250 8- 32
   SCS312-416- 21A 5/16 .187 5/32 3/16 1.375 8- 32
   SCS312-416- 22 5/16 .187 5/32 3/16 1.500 8- 32
4140 Alloy Steel

    Part Number

A B C D L Thread
   SCS312-4140- 1 5/16 .187 5/32 3/16 .125 6- 32
   SCS312-4140- 2 5/16 .187 5/32 3/16 .188 6- 32
   SCS312-4140- 3 5/16 .187 5/32 3/16 .250 6- 32
   SCS312-4140- 4 5/16 .187 5/32 3/16 .313 6- 32
   SCS312-4140- 5 5/16 .187 5/32 3/16 .375 6- 32
   SCS312-4140- 5A 5/16 .187 5/32 3/16 .437 6- 32
   SCS312-4140- 6 5/16 .187 5/32 3/16 .500 6- 32
   SCS312-4140- 6A 5/16 .187 5/32 3/16 .562 6- 32
   SCS312-4140- 7 5/16 .187 5/32 3/16 .625 6- 32
   SCS312-4140- 7A 5/16 .187 5/32 3/16 .687 6- 32
   SCS312-4140- 8 5/16 .187 5/32 3/16 .750 6- 32
   SCS312-4140- 8A 5/16 .187 5/32 3/16 .875 6- 32
   SCS312-4140- 9 5/16 .187 5/32 3/16 1.000 6- 32
   SCS312-4140- 9A 5/16 .187 5/32 3/16 1.125 6- 32
   SCS312-4140- 10 5/16 .187 5/32 3/16 1.250 6- 32
   SCS312-4140- 10A 5/16 .187 5/32 3/16 1.375 6- 32
   SCS312-4140- 11 5/16 .187 5/32 3/16 1.500 6- 32
   SCS312-4140- 12 5/16 .187 5/32 3/16 .125 8- 32
   SCS312-4140- 13 5/16 .187 5/32 3/16 .188 8- 32
   SCS312-4140- 14 5/16 .187 5/32 3/16 .250 8- 32
   SCS312-4140- 15 5/16 .187 5/32 3/16 .313 8- 32
   SCS312-4140- 16 5/16 .187 5/32 3/16 .375 8- 32
   SCS312-4140- 16A 5/16 .187 5/32 3/16 .437 8- 32
   SCS312-4140- 17 5/16 .187 5/32 3/16 .500 8- 32
   SCS312-4140- 17A 5/16 .187 5/32 3/16 .562 8- 32
   SCS312-4140- 18 5/16 .187 5/32 3/16 .625 8- 32
   SCS312-4140- 18A 5/16 .187 5/32 3/16 .687 8- 32
   SCS312-4140- 19 5/16 .187 5/32 3/16 .750 8- 32
   SCS312-4140- 19A 5/16 .187 5/32 3/16 .875 8- 32
   SCS312-4140- 20 5/16 .187 5/32 3/16 1.000 8- 32
   SCS312-4140- 20A 5/16 .187 5/32 3/16 1.125 8- 32
   SCS312-4140- 21 5/16 .187 5/32 3/16 1.250 8- 32
   SCS312-4140- 21A 5/16 .187 5/32 3/16 1.375 8- 32
   SCS312-4140- 22 5/16 .187 5/32 3/16 1.500 8- 32
Brass

    Part Number

A B C D L Thread
   SCS312-1- M01 5/16 .187 5/32 3/16 .125 6- 32
   SCS312-2- M01 5/16 .187 5/32 3/16 .188 6- 32
   SCS312-3- M01 5/16 .187 5/32 3/16 .250 6- 32
   SCS312-4- M01 5/16 .187 5/32 3/16 .313 6- 32
   SCS312-5- M01 5/16 .187 5/32 3/16 .375 6- 32
   SCS312-5A- M01 5/16 .187 5/32 3/16 .437 6- 32
   SCS312-6- M01 5/16 .187 5/32 3/16 .500 6- 32
   SCS312-6A- M01 5/16 .187 5/32 3/16 .562 6- 32
   SCS312-7- M01 5/16 .187 5/32 3/16 .625 6- 32
   SCS312-7A- M01 5/16 .187 5/32 3/16 .687 6- 32
   SCS312-8- M01 5/16 .187 5/32 3/16 .750 6- 32
   SCS312-8A- M01 5/16 .187 5/32 3/16 .875 6- 32
   SCS312-9- M01 5/16 .187 5/32 3/16 1.000 6- 32
   SCS312-9A- M01 5/16 .187 5/32 3/16 1.125 6- 32
   SCS312-10- M01 5/16 .187 5/32 3/16 1.250 6- 32
   SCS312-10A- M01 5/16 .187 5/32 3/16 1.375 6- 32
   SCS312-11- M01 5/16 .187 5/32 3/16 1.500 6- 32
   SCS312-12- M01 5/16 .187 5/32 3/16 .125 8- 32
   SCS312-13- M01 5/16 .187 5/32 3/16 .188 8- 32
   SCS312-14- M01 5/16 .187 5/32 3/16 .250 8- 32
   SCS312-15- M01 5/16 .187 5/32 3/16 .313 8- 32
   SCS312-16- M01 5/16 .187 5/32 3/16 .375 8- 32
   SCS312-16A- M01 5/16 .187 5/32 3/16 .437 8- 32
   SCS312-17- M01 5/16 .187 5/32 3/16 .500 8- 32
   SCS312-17A- M01 5/16 .187 5/32 3/16 .562 8- 32
   SCS312-18- M01 5/16 .187 5/32 3/16 .625 8- 32
   SCS312-18A- M01 5/16 .187 5/32 3/16 .687 8- 32
   SCS312-19- M01 5/16 .187 5/32 3/16 .750 8- 32
   SCS312-19A- M01 5/16 .187 5/32 3/16 .875 8- 32
   SCS312-20- M01 5/16 .187 5/32 3/16 1.000 8- 32
   SCS312-20A- M01 5/16 .187 5/32 3/16 1.125 8- 32
   SCS312-21- M01 5/16 .187 5/32 3/16 1.250 8- 32
   SCS312-21A- M01 5/16 .187 5/32 3/16 1.375 8- 32
   SCS312-22- M01 5/16 .187 5/32 3/16 1.500 8- 32
Carbon Steel

    Part Number

A B C D L Thread
   SCS312- 1- M10 5/16 .187 5/32 3/16 .125 6- 32
   SCS312- 2- M10 5/16 .187 5/32 3/16 .188 6- 32
   SCS312- 3- M10 5/16 .187 5/32 3/16 .250 6- 32
   SCS312- 4- M10 5/16 .187 5/32 3/16 .313 6- 32
   SCS312- 5- M10 5/16 .187 5/32 3/16 .375 6- 32
   SCS312- 5A- M10 5/16 .187 5/32 3/16 .437 6- 32
   SCS312- 6- M10 5/16 .187 5/32 3/16 .500 6- 32
   SCS312- 6A- M10 5/16 .187 5/32 3/16 .562 6- 32
   SCS312- 7- M10 5/16 .187 5/32 3/16 .625 6- 32
   SCS312- 7A- M10 5/16 .187 5/32 3/16 .687 6- 32
   SCS312- 8- M10 5/16 .187 5/32 3/16 .750 6- 32
   SCS312- 8A- M10 5/16 .187 5/32 3/16 .875 6- 32
   SCS312- 9- M10 5/16 .187 5/32 3/16 1.000 6- 32
   SCS312- 9A- M10 5/16 .187 5/32 3/16 1.125 6- 32
   SCS312- 10- M10 5/16 .187 5/32 3/16 1.250 6- 32
   SCS312- 10A- M10 5/16 .187 5/32 3/16 1.375 6- 32
   SCS312- 11- M10 5/16 .187 5/32 3/16 1.500 6- 32
   SCS312- 12- M10 5/16 .187 5/32 3/16 .125 8- 32
   SCS312- 13- M10 5/16 .187 5/32 3/16 .188 8- 32
   SCS312- 14- M10 5/16 .187 5/32 3/16 .250 8- 32
   SCS312- 15- M10 5/16 .187 5/32 3/16 .313 8- 32
   SCS312- 16- M10 5/16 .187 5/32 3/16 .375 8- 32
   SCS312- 16A- M10 5/16 .187 5/32 3/16 .437 8- 32
   SCS312- 17- M10 5/16 .187 5/32 3/16 .500 8- 32
   SCS312- 17A- M10 5/16 .187 5/32 3/16 .562 8- 32
   SCS312- 18- M10 5/16 .187 5/32 3/16 .625 8- 32
   SCS312- 18A- M10 5/16 .187 5/32 3/16 .687 8- 32
   SCS312- 19- M10 5/16 .187 5/32 3/16 .750 8- 32
   SCS312- 19A- M10 5/16 .187 5/32 3/16 .875 8- 32
   SCS312- 20- M10 5/16 .187 5/32 3/16 1.000 8- 32
   SCS312- 20A- M10 5/16 .187 5/32 3/16 1.125 8- 32
   SCS312- 21- M10 5/16 .187 5/32 3/16 1.250 8- 32
   SCS312- 21A- M10 5/16 .187 5/32 3/16 1.375 8- 32
   SCS312- 22- M10 5/16 .187 5/32 3/16 1.500 8- 32
Applicable Tolerances

B

C L
+.000  / - .001 ± .005 ± .005
Applicable Specifications

Stainless Steel

Passivate

    Threads

 QQ- S- 763, Class 303, Cond. A.

Per
Mil-F-14072-A (EL) E 300

 Class 2A per handbook  
 H.28, Part 1

Slot Information
Thread Width Depth
4 - 40 .047 .062
6 - 32 .047 .062
8-  32 .047 .062
10 - 24 .063 .078
10 - 32 .063 .078
1/4 - 20 .078 .093
5/16 - 18 .094 .109
3/8 - 16 .094 .109
Standard in Type 303 Stainless Steel. Other materials available on special order.

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electronic hardware, handles and precision fasteners used by leading companies
in nearly every industry since 1971.


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