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5/16 inch UNF Socket Head Button Screws ASME B18. 3-2003 in A2 Stainless Steel

A popular and attractive socket head screw, typically used where aesthetics are important, or where a lower profile domed finish is required. The hex drive is generally smaller than other hex driven ranges and thus the ultimate tightening torque is reduced. Manufactured to ASME/ANSI B18.3, and always fully threaded.
Image of UNF Socket Head Button Screws ASME B18. 3-2003 in A2 image
technical drawing of UNF Socket Head Button Screws ASME B18. 3-2003
Technical Summary
d nominal diameter 5/16
tpi threads per inch 24
dk head diameter 0.547
k head height 0.166
t recess depth 0.105
s drive size 3/16
Standard ASME B18.3
all dimensions in inches
Datasheet
< View All Sizes
Description Sale Qtys Qty Price Breakdown Despatch Estimate
5/16 x 1/2 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16596 - 800 in stock		 single screw for £2.36
or box of 20 for £8.47
or bulk of 100 for £35.68		 £0.00  
5/16 x 5/8 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16600 - 1745 in stock		 single screw for £2.55
or box of 20 for £11.19
or bulk of 100 for £43.95		 £0.00  
5/16 x 3/4 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16598 - 1810 in stock		 single screw for £2.75
or box of 15 for £11.37
or bulk of 75 for £44.51		 £0.00  
5/16 x 1 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16578 - 44 in stock		 single screw for £3.00
or box of 15 for £14.89
or bulk of 75 for £55.27		 £0.00  
5/16 x 1-1/4 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16650 - expected in 2 to 3 days		 single screw for £3.78
or box of 20 for £30.74
or bulk of 100 for £115.16		 £0.00  
5/16 x 1-1/2 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16648 - 5 in stock		 single screw for £4.43
or box of 10 for £23.50
or bulk of 50 for £81.15		 £0.00  
5/16 x 2 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16580 - 39 in stock		 single screw for £4.32
or box of 8 for £18.01
or bulk of 40 for £64.59		 £0.00  
5/16 x 1/2 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16596 - 800 in stock
single screw for £2.36
or box of 20 for £8.47
or bulk of 100 for £35.68
£0.00
 
5/16 x 5/8 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16600 - 1745 in stock
single screw for £2.55
or box of 20 for £11.19
or bulk of 100 for £43.95
£0.00
 
5/16 x 3/4 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16598 - 1810 in stock
single screw for £2.75
or box of 15 for £11.37
or bulk of 75 for £44.51
£0.00
 
5/16 x 1 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16578 - 44 in stock
single screw for £3.00
or box of 15 for £14.89
or bulk of 75 for £55.27
£0.00
 
5/16 x 1-1/4 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16650 - expected in 2 to 3 days
single screw for £3.78
or box of 20 for £30.74
or bulk of 100 for £115.16
£0.00
 
5/16 x 1-1/2 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16648 - 5 in stock
single screw for £4.43
or box of 10 for £23.50
or bulk of 50 for £81.15
£0.00
 
5/16 x 2 UNF Socket Head Button (Dome) Screw in A2 Stainless
WF16580 - 39 in stock
single screw for £4.32
or box of 8 for £18.01
or bulk of 40 for £64.59
£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 UNF Socket Head Button Screws ASME B18. 3-2003
Technical Summary
d nominal diameter 5/16
tpi threads per inch 24
dk head diameter 0.547
k head height 0.166
t recess depth 0.105
s drive size 3/16
Standard ASME B18.3
all dimensions in inches
Datasheet
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