Chongqing Yige Pipeline Technology Co., Ltd.

Locking washer

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Keywords: turbo worm clamp, fixed hanging clamp, T-type clamp, V-type clamp, high-strength clamp

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Locking washer

　　SZJYD-LOCK Carbon Steel Washer with Coated Bolts, Grade 4.8 – Torque Reference Table

Washer size	Bolt size	Pitch [mm]	Oil, GF = 75%, Uth = 0.10, Ub = 0.16		Cu/C paste*, GF=75% Uth=0.11, Ub=0.16		Dry, G F = 75% Uth = 0.15, Ub = 0.18
Washer size	Bolt size	Pitch [mm]	Torque [Nm]	Clamping force load [kN]	Torque [Nm]	Clamping force load [kN]	Torque [Nm]	Clamping force load [kN]
NL3	M3	0.5	0.7	1.2	0.8	1.2	0.7	1.0
NL4	M4	0.7	1.5	2.1	1.8	2.1	1.5	1.7
NL5	M5	0.8	3.0	3.4	3.6	3.4	3.0	2.8
NL6	M6	1.0	5.2	4.8	6.2	4.8	5.3	4.0
NL8	M8	1.25	12.5	8.8	15	8.8	12.6	7.3
NL10	M10	1.5	25	14	29	14	25	12
NL12	M12	1.75	42	20	48	20	43	17
NL14	M14	2.0	68	28	71	28	68	23
NL16	M16	2.0	103	38	120	38	104	31
NL18	M18	2.5	144	46	167	46	146	38
NL20	M20	2.5	201	59	213	59	204	49
NL22	M22	2.5	266	69	280	69	268	57
NL24	M24	3.0	346	85	366	85	351	70
NL27	M27	3.0	505	110	534	110	514	91
NL30	M30	3.5	690	135	729	135	700	111
NL33	M33	3.5	927	167	982	167	944	138
NL36	M36	4.0	1197	196	1267	196	1218	162
NL39	M39	4.0	1543	234	1635	234	1573	194
NL42	M42	4.5	1941	276	2058	276	1982	228

　　SZJYD-LOC K Carbon Steel Washer with Coated 8.8 Grade Bolt Torque Reference Table

Washer size	Bolt size	Pitch [mm]	Oil, GF = 75%, Uth = 0.10, Ub = 0.16		Cu/C paste*, GF=75% Uth=0.11, Ub=0.16		Dry, G F = 75% Uth = 0.15, Ub = 0.18
Washer size	Bolt size	Pitch [mm]	Torque [Nm]	Clamping force load [kN]	Torque [Nm]	Clamping force load [kN]	Torque [Nm]	Clamping force load [kN]
NL3	M3	0.5	1.3	2.4	2.1	2.4	1.3	2.0
NL4	M4	0.7	3.1	4.2	4.4	4.2	3.1	3.5
NL5	M5	0.8	6.0	6.8	8.0	6.8	6.0	5.6
NL6	M6	1.0	10.5	9.7	13.2	9.7	10.5	8.0
NL8	M8	1.25	25	18	30	18	25	15
NL10	M10	1.5	49	28	49	28	50	23
NL12	M12	1.75	85	40	83	40	85	33
NL14	M14	2.0	135	55	131	55	136	46
NL16	M16	2.0	205	75	197	75	208	62
NL18	M18	2.5	288	92	275	92	291	76
NL20	M20	2.5	402	118	382	118	408	97
NL22	M22	2.5	548	146	517	146	557	120
NL24	M24	3.0	693	169	652	169	703	140
NL27	M27	3.0	1010	221	945	221	1028	182
NL30	M30	3.5	1379	269	1286	269	1401	222
NL33	M33	3.5	1855	333	1722	333	1889	275
NL36	M36	4.0	2394	392	2219	392	2436	324
NL39	M39	4.0	3087	468	2852	468	3145	387
NL42	M42	4.5	3820	538	3525	538	3890	445

　　SZJYD-LOCK Carbon Steel Washer with Torque Reference Table for 10.9 Grade Coated Bolts

Washer size	Bolt size	Pitch [mm]	Oil, GF = 75%, Uth = 0.13, Ub = 0.14		Cu/C paste*, GF = 75% Uth = 0.11, Ub = 0.15
Washer size	Bolt size	Pitch [mm]	Torque [Nm]	Clamping force load [kN]	Torque [Nm]	Clamping force load [kN]
NL3	M3	0.5	1.8	3.2	3.5	3.4
NL4	M4	0.7	4.1	5.6	7.0	5.9
NL5	M5	0.8	8.1	9.1	12.5	9.6
NL6	M6	1.0	14.1	12.9	20.1	13.6
NL8	M8	1.25	34	23	44	25
NL10	M10	1.5	67	37	73	39
NL12	M12	1.75	115	57	121	57
NL14	M14	2.0	183	74	188	78
NL16	M16	2.0	279	100	281	106
NL18	M18	2.5	391	123	388	130
NL20	M20	2.5	547	156	534	165
NL22	M22	2.5	745	194	719	205
NL24	M24	3.0	942	225	902	238
NL27	M27	3.0	1375	294	1297	310
NL30	M30	3.5	1875	358	1755	378
NL33	M33	3.5	2526	443	2340	468
NL36	M36	4.0	3259	522	3003	551
NL39	M39	4.0	4203	624	3845	659
NL42	M42	4.5	5202	716	4740	757

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