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Hex Socket Head (Broached) Shoulder Screws
1/4" Diameter
Back To Shoulder Screws Page
*External Thread has a 45° Angle on External Thread.
Slightly Chamfered to Permit Smooth Entry / Fit.

  Build Part Number
  Applicable Tolerances
  Socket Head / Threads		 All Technical Data
Worksheet Helper
ND Thread Lock Info
ND Thread Codes		 Conversion Chart
Metric Shoulder Screws
Standard Shoulder Screws
CHOOSE and write down your PART NUMBER
then Go to Skip Step 1
Part Number A B C D L Thread  
SCB250- 1 1/4 .124 1/8 5/32 .125 4- 40  
SCB250- 2 1/4 .124 1/8 5/32 .188 4- 40  
SCB250- 3 1/4 .124 1/8 5/32 .250 4- 40  
SCB250- 4 1/4 .124 1/8 5/32 .313 4- 40  
SCB250- 5 1/4 .124 1/8 5/32 .375 4- 40  
SCB250- 6 1/4 .124 1/8 5/32 .437 4- 40  
SCB250- 7 1/4 .124 1/8 5/32 .500 4- 40  

Applicable Tolerances
    B C L
+.000  / - .001 ± .005 ± .005

Applicable Specifications

 Stainless Steel

Passivate

     Threads

 QQ- S- 763, Class 303, Cond. A. (Non- Magnetic)

Per
      Mil-F-14072-A (EL) E 300

 Class 2A per handbook  
H.28, Part 1
Hex Socket Head (Broach) Information
Thread Hex Socket Head (Broach)  
4 - 40 5/64 Across the Flats
6 - 32 3/32 Across the Flats
8 - 32 3/32 Across the Flats
10 - 24 3/32 Across the Flats
10 - 32 3/32 Across the Flats
1/4 - 20 5/32 Across the Flats
5/16 - 18 3/16 Across the Flats
3/8 - 16 1/4 Across the Flats
Standard in Type 303 Stainless Steel. Other materials available on special order.
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UNICORP is a worldwide leader in manufacturing stock and custom electronic hardware,
handles and precision fasteners used by leading companies in nearly every industry since 1971.
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