Westfield Fasteners Ltd Logo
Westfield Fasteners Ltd Telephone: 01844201133, Email: enquiries@westfieldfasteners.co.uk
Home   /   UNF Bolts, Nuts and Washers   /   1/2 inch UNF Cup Point Grub Screws ASME B18.3 in A2 Stainless Steel

1/2 inch UNF Cup Point Grub Screws ASME B18.3 in A2 Stainless Steel

Also known as an Allen set screw, these headless types of screws have many uses. This particular type has a hex socket drive, and a depression called a cup on the opposite end, and conforms to ASME/ANSI B18.3.
Image of UNF Cup Point Grub Screws ASME B18.3 in A2 image
technical drawing of UNF Cup Point Grub Screws ASME B18.3
Technical Summary
d nominal diameter 1/2
tpi threads per inch 20
s drive size 1/4
t recess depth 0.250
d1 diameter 1 0.291
Standard ASME/ANSI B18.3-2002, ASTM F880-02(CW)
all dimensions in inches
Datasheet
reference graphic Guide to Grub Screws
< View All Sizes
Description Sale Qtys Qty Price Breakdown Despatch Estimate
1/2 x 1/2 UNF Grub Screw Cup Point in A2 Stainless
WF33148 - 230 in stock
single screw for £2.95
or box of 15 for £14.11
or bulk of 75 for £52.60
£0.00  
1/2 x 5/8 UNF Grub Screw Cup Point in A2 Stainless
WF33149 - expected in 11 to 17 days
single screw for £3.08
or box of 10 for £10.75
or bulk of 50 for £42.39
£0.00  
1/2 x 3/4 UNF Grub Screw Cup Point in A2 Stainless
WF33150 - 1450 in stock
single screw for £3.43
or box of 10 for £14.00
or bulk of 50 for £52.33
£0.00  
1/2 x 1 UNF Grub Screw Cup Point in A2 Stainless
WF33151 - 40 in stock
single screw for £4.74
or box of 8 for £21.22
or bulk of 40 for £74.19
£0.00  
single screw for £2.95
or box of 15 for £14.11
or bulk of 75 for £52.60
£0.00
 
single screw for £3.08
or box of 10 for £10.75
or bulk of 50 for £42.39
£0.00
 
single screw for £3.43
or box of 10 for £14.00
or bulk of 50 for £52.33
£0.00
 
single screw for £4.74
or box of 8 for £21.22
or bulk of 40 for £74.19
£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 Cup Point Grub Screws ASME B18.3
Technical Summary
d nominal diameter 1/2
tpi threads per inch 20
s drive size 1/4
t recess depth 0.250
d1 diameter 1 0.291
Standard ASME/ANSI B18.3-2002, ASTM F880-02(CW)
all dimensions in inches
Datasheet
reference graphic Guide to Grub Screws
FSB logo CBI logo