Punch Pressure Guide

mm	inch	KN	Tons	KN	Tons	KN	Tons
3	1/8	5	0.5	3	0.3	2	0.2
4	5/32	10	1	5.6	0.6	3.7	0.4
5	3/16	15	1.5	8.8	0.9	5.8	0.6
6	7/32	22	2	12	1.2	8.5	0.8
7	9/32	30	3	17	1.7	11	1
8	5/16	40	4	22	2.2	15	1.5
9	11/32	50	5	28	2.8	19	2
10	13/32	60	6	35	3.5	23	2.5
11	7/16	70	7	42	4.2	27	3
12	15/32	90	9	50	5	33	3.5
13	1/2	100	10	59	6	39	4
14	9/16	120	12	67	7	46	5
15	19/32	130	13	78	8	53	5.5
16	5/8	160	16	90	9	60	6
17	21/32	180	18	102	10	68	7
18	23/32	203	20	114	11	74	7.5
19	3/4	226	23	127	13	85	8.5
20	25/32	251	25	141	14	94	9.5
25	1"	393	40	221	22	147	15

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