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UNC Socket Head Shoulder Screws ASME B18.3-2012 with 5/16 inch diameter shoulder in A2 Stainless Steel

Socket shoulder screw with a UNC imperial coarse thread. They are also known as shoulder bolts, precision shoulder screw and in the US, stripper bolts. The main dimensions are for the diameter and total length required under the head. Shoulder screws have an undercut portion between the thread and shoulder, allowing a close fit. They are used in a wide range of punch and die operations and as shafts, pivots, guides, pins, linkages and trunion mountings. Please note that the nominal diameter here refers to the shoulder diameter, except where shown otherwise.
Image of UNC Socket Head Shoulder Screws ASME B18.3-2012 in A2 image
technical drawing of UNC Socket Head Shoulder Screws ASME B18.3-2012
Technical Summary
D diameter 5/16
D max. max. diameter 0.3105
D min. min. diameter 0.3085
dk max. maximum head diameter 0.438
dk min. minimum head diameter 0.419
k max. maximum head height 0.219
k min. minimum head height 0.209
s drive size 5/32 (0.156)
d nominal diameter 1/4 (0.2500)
tpi threads per inch 20
b minimum thread length 0.438
Standard ASME B18.3-2003
Material A2 Stainless Steel
all dimensions in inches
datasheet
Description Sale Qtys Qty Price Breakdown Despatch Estimate
Socket Shoulder Screw UNC 1/4 with 5/16 x 5/16 Inch Shoulder in A2 Stainless
(WF60607)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 5/8 Inch Shoulder in A2 Stainless
(WF60610)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 3/4 Inch Shoulder in A2 Stainless
(WF60611)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 7/8 Inch Shoulder in A2 Stainless
(WF60612)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 1 Inch Shoulder in A2 Stainless
(WF60613)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 1-1/4 Inch Shoulder in A2 Stainless
(WF60614)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 1-1/2 Inch Shoulder in A2 Stainless
(WF60615)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 1-3/4 Inch Shoulder in A2 Stainless
(WF60616)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 2 Inch Shoulder in A2 Stainless
(WF60617)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 2-1/4 Inch Shoulder in A2 Stainless
(WF60618)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 2-1/2 Inch Shoulder in A2 Stainless
(WF60619)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 2-3/4 Inch Shoulder in A2 Stainless
(WF60679)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 3 Inch Shoulder in A2 Stainless
(WF60620)
£0.00
Socket Shoulder Screw UNC 1/4 with 5/16 x 3-1/2 Inch Shoulder in A2 Stainless
(WF60680)
£0.00
Prices are subject to quantity discounts based on a sliding scale. Enter the desired quantity in the relevant box in the table above. This will automatically calculate a line price indicating the applicable rate for the quantities selected. All prices shown exclude VAT.
technical drawing of UNC Socket Head Shoulder Screws ASME B18.3-2012
Technical Summary
D diameter 5/16
D max. max. diameter 0.3105
D min. min. diameter 0.3085
dk max. maximum head diameter 0.438
dk min. minimum head diameter 0.419
k max. maximum head height 0.219
k min. minimum head height 0.209
s drive size 5/32 (0.156)
d nominal diameter 1/4 (0.2500)
tpi threads per inch 20
b minimum thread length 0.438
Standard ASME B18.3-2003
Material A2 Stainless Steel
all dimensions in inches
datasheet