Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New Sale! 
View larger
View larger BS A 297:1987
New product
BS A 297:1987 Specification for internal drive, offset cruciform recess (Torq-Set(R)) for rotary fastening devices. Metric series
standard by BSI Group, 03/31/1987
More info
Full Description
Specifies maximum and minimum dimensional requirements for rotary fastening devices, and for associated drivers and gauges, for metric design.Cross References:
BS 308:Part 1
BS 308:Part 3