1/4-20 UNC X 3.1/2 Socket Countersunk Screw ASME B18.3 A2 Stainless Steel

Part No. U799114203500

£197.52 (exc VAT) per 100

Quantity Breaks	Price per 100
20 +	£197.52
50 +	£187.64
100 +	£178.26
250 +	£169.37
500 +	£158.90

A minimum order quantity of 20 applies to this productThis product must be ordered in multiples of 20, quantities will be rounded up as you add them.

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Further Information

Thread	T.P.I UNC	T.P.I UNF	a (max)	h (max)	t (min)	j
0	*	80	0.138	0.044	0.025	0.035
1	64	72	0.168	0.054	0.031	0.050
2	56	64	0.197	0.064	0.038	0.050
4	40	48	0.255	0.083	0.055	1/16
5	40	44	0.281	0.090	0.061	5/64
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
7/16	14	20	0.844	0.234	0.159	1/4
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
7/8	9	14	1.688	0.468	0.248	9/16