Changzhou Wujin Jiangnan Special Type Screw Co.,Ltd.--Lockbolt series|Rivet series|Bolt series|Screw series|Nut series|CNC components, axis & pin

The Specification of Railway Machinery Lock Bolt

Specialized in Lock Bolt & Collar, Semi-tubular Rivet, Special Screw, CNC Cutting Part.

Product Description:

The Lockbolt Specification

Dia.	Code	A		Braizer Head（LB50LB）		Truss Head（LB50LT）		CSK Head（LB50L90）
				B	C	B	C	B	C
		Min	Max	±0.5	±0.5	±0.5	±0.5	±0.5	±0.5
13（1/2")	16	12.52	13.08	23.42	7.94	23.42	5.95	23.02	6.35
16（5/8")	20	15.67	16.31	28.97	9.92	28.97	7.54	29.37	7.94
19（3/4")	24	18.82	19.51	34.93	11.91	34.93	9.13	34.93	9.53
22（7/8'')	28	22.00	22.73	40.48	13.89	40.48	10.32	40.48	11.11
25（1'')	32	25.15	25.96	46.43	15.48	46.43	11.91	46.83	12.70
28（9/8'')	36	29.18	27.89	52.39	17.46

Unit：MM

Norminal Code	Grip Range		13（1/2'')-16		16（5/8'')-20		19（3/4'')-24		22（7/8'')-28		25（１'')-32		28(9/8'')-36
NO.	Min	Max	D±0.6	E+3.0/-1.5	D±0.6	E+3.0/-1.5	D±0.6	E+3.0/-1.5	D±0.6	E+3.0/-1.5	D±0.6	E+3.0/-1.5	D±0.6	E+3.0/-1.5
4	6.35	12.7	30.81	80.57	36.4	92.87	38.56	105.57
8	12.7	19.05	37.16	86.92	42.75	99.22	44.91	111.92	48.79	119.06	52.65	136.53
12	19.05	25.4	43.51	93.27	49.1	105.57	51.26	118.27	55.14	125.41	59	142.88
16	25.4	31.75	49.86	99.62	55.45	111.92	57.61	124.62	61.49	131.76	65.35	149.23
20	31.75	38.1	56.21	105.97	61.8	118.27	63.96	130.97	67.84	138.11	71.7	155.58
24	38.1	44.45	62.56	112.32	68.15	124.62	70.31	137.32	74.19	144.46	78.05	161.93
28	44.45	50.8	68.91	118.67	74.5	130.97	76.66	143.67	80.54	150.81	84.4	168.28
32	50.8	57.15	75.26	125.02	80.85	137.32	83.01	150.02	86.89	157.16	90.75	174.63
36	57.15	63.5	81.61	131.37	87.2	143.67	89.36	156.37	93.24	163.51	97.1	180.98
40	63.5	69.85	87.96	137.72	93.55	150.02	95.71	162.72	99.59	169.86	103.45	187.33
44	69.85	76.2	94.31	144.07	99.9	156.37	102.06	169.07	105.94	176.21	109.8	193.68
48	76.2	82.55	100.66	150.42	106.25	162.72	108.41	175.42	112.29	182.56	116.15	200.03
52	82.55	88.9	107.01	156.77	112.6	169.07	114.76	181.77	118.64	188.91	122.5	206.38
56	88.9	95.25	113.36	163.12	118.95	175.42	121.11	188.12	124.99	195.26	128.85	212.73	133.35	217.49
60	95.25	101.6	119.71	169.47	125.3	181.77	127.46	194.47	131.34	201.61	135.2	219.08	139.7	223.84
64	101.6	107.95	126.06	175.82	131.65	188.12	133.81	200.82	137.69	207.96	141.55	225.43	146.05	230.19
68	107.95	114.3	132.41	182.17	138	194.47	140.16	207.17	144.04	214.31	147.9	231.78	152.4	236.54
72	114.3	120.65	138.76	188.52	144.35	200.82	146.51	213.52	150.39	220.66	154.25	238.13	158.75	242.89
76	120.65	127	145.11	194.87	150.7	207.17	152.86				160.6	244.48	165.1	249.24
80	127	133.35	151.46								166.95	250.83	171.45	255.59
84	133.35	139.7									173.3	257.18	177.8	261.94
88	139.7	146.05									179.65	263.53	184.15	268.29
92	146.05	152.4									186	269.88	190.5	274.64

Unit：MM

The Mechanical Property

Dia.	Code	Mech. Force	6061Alu.	2024 Alu.	S & S	SS & SS
13（1/2")	16	Shear	24041	33113	65318	63050
		Tensile	22226	35608	77339	77339
		Clamp	19958	26762	54659	54659
16（5/8")	20	Shear	37649	51710	102060	95256
		Tensile	34791	55793	122926	122926
		Clamp	31298	41731	87091	87091
19（3/4'')	24	Shear	53978	74390	146966	137441
		Tensile	50077	80287	181894	181894
		Clamp	45133	60329	128822	128822
22（7/8")	28	Shear			196862
		Tensile			251521
		Clamp			178038
25（1")	32	Shear			256284
		Tensile			329767
		Clamp			233604
28（9/8")	36	Shear			315252
		Tensile			376261
		Clamp			265129