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5/16-18 UNC X 1/2 Socket Countersunk Screw ASME B18.3 A4 Stainless Steel

5/16-18 X 1/2 SOCKET CSK ANSI B18.3 A4 ST/ST

5/16-18 X 1/2 SOCKET CSK ANSI B18.3 A4 ST/ST

5/16-18 X 1/2 SOCKET CSK ANSI B18.3 A4 ST/ST

Part No. U7991516180500A4

£103.96 (exc VAT) per 100

Quantity Breaks	Price per 100
25 +	£103.96
50 +	£98.76
100 +	£93.82
250 +	£89.15
500 +	£83.64

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Further Information

Thread	T.P.I UNC	T.P.I UNF	a (max)	h (max)	t (min)	j
4	40	48	0.255	0.083	0.055	1/16
6	32	40	0.307	0.097	0.066	5/64
8	32	36	0.359	0.112	0.076	3/32
10	24	32	0.411	0.127	0.087	1/8
1/4	20	28	0.531	0.161	0.111	5/32
5/16	18	24	0.656	0.198	0.135	3/16
3/8	16	24	0.781	0.234	0.159	7/32
1/2	13	20	0.938	0.251	0.172	5/16
5/8	11	18	1.188	0.324	0.220	3/8
3/4	10	16	1.438	0.396	0.220	1/2