4 TPI Taper Connecting Pin
Nominal Diameter of Electrode		Diameter (Maximum)		Length (Maximum)
in.	mm	in.	mm	in.	mm
3	75	1.8125	46.04	3	76.2
4	100	2.75	69.85	4	101.6
5.125	130	3.125	79.38	5	127
6	150	3.625	92.08	5.5	139.7
7	175	4.25	107.95	6.5	165.1
8	200	4.813	122.24	7	177.8
9	225	5.5	139.7	7	177.8
9	225	5.5	139.7	8	203.2
10	250	6	152.4	7.5	190.5
12	300	7	177.8	8.5	215.9
14	350	8	203.2	10	254
14	350	8.75	222.25	14	355.6
16	400	8.75	222.25	14	355.6
18	450	10.625	269.88	14	355.6
18	450	10.625	269.88	18	457.2
20	500	10.625	269.88	14	355.6
20	500	10.625	269.88	18	457.2
20	500	11.75	298.45	18	457.2
24	600	12.5	317.5	14	355.6
24	600	12.5	317.5	18	457.2
28	700	9.5	374.65	18	457.2
28	700	14.75	374.65	22	558.8

Male / Female
Nominal Diameter of Electrode		Male End				Female End
		Length		Pitch Diameter		Socket Depth		Pitch Diameter
in.	mm	in	mm	in.	mm	in	mm	in.	mm
7	175	4.112	104.44	2.931	74.45	4.313	109.54	6.30	160.02
8	200	4.688	119.06	3.329	84.55	4.813	122.24	7.167	182.04
9	225	5.188	131.76	3.779	95.99	5.313	134.94	8.08	205.23
10	250	5.668	144.46	4.112	104.44	5.813	147.64	8.88	225.55

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