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U Bolts

U-bolt is a metal fastener that bends in a U-shape, with threads on both ends, and is used in conjunction with nuts. It is mainly used to fix pipes, shafts, and plate-shaped components.

Model:
U shape bolt
Brand:
PDM

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Product Description

Features of Stainless Steel U Bolt

U Bolt with Nut Title:

China Factory u bolt rod stainless & steel u bolt for truck

Material and Craftsmanship:

Carbon steel: strength enhanced after heat treatment (such as mechanical supports);

Stainless steel: Strong corrosion resistance (for ships and chemical industries);

Alloy steel: resistant to high temperature and high pressure (heavy machinery);

Surface treatment:

Hot dip galvanizing for rust prevention is suitable for outdoor applications such as bridges and transmission towers.

Dacromet/chrome plating: enhances aesthetics and corrosion resistance, suitable for visible components;

Thread Size:M6,M8,M10,M12,M14 or Customized

Pipe Dia.:8,10,12,14,16,18 or As Per Spec.

We offer OEM services and customized sizes to meet specific requirements.

Thread standard: commonly used UNC/UNF, requiring precise matching with nuts;

u shaped bolts

Size(d*d0)	Pipe Dia.(d0)	Center Distance(m)	Thread L(b)	Length(L1)
M6*8	8	15	12	25
M6*10	10	17	13	27
M6*12	12	19	14	20
M6*14	14	22	15	32
M6*16	16	24	15	34
M6*18	18(DN10)	26	18	36
M6*22	22(DN15)	30	22	42
M6*25	25	33	22	45
M6*27	27(DN20)	35	25	47
M6*33	33(DN25)	42	25	53
M6*34	34	40	28	55
M6*38	38(DN32)	46	28	58
M6*42	42	50	28	62
M6*45	45	53	30	65
M6*48	48(DN40)	56	30	68
M6*51	51	59	30	71
M6*57	57	65	30	77
M6*60	60(DN50)	68	30	80
M6*63	63	71	30	83
M6*76	76(DN65)	84	35	96
M6*89	89(DN80)	97	35	109
M6*102	102	110	35	122
M6*108	108	116	35	128
M6*114	114(DN100)	122	35	134
M6*133	133	141	35	153

M8*22	22(DN15)	32	25	49
M8*25	25	35	25	52
M8*27	27(DN20)	37	28	54
M8*33	33(DN25)	43	28	60
M8*38	38(DN32)	48	30	65
M8*42	42	52	30	69
M8*45	45	55	30	72
M8*48	48(DN40)	58	30	75
M8*51	51	61	30	78
M8*57	57	67	35	84
M8*60	60(DN50)	70	35	87
M8*63	63	73	35	90
M8*76	76(DN65)	86	35	103
M8*89	89(DN80)	99	40	116
M8*102	102	112	40	129
M8*108	108	118	40	135
M8*114	114(DN100)	124	40	141
M8*133	133	143	45	160
M8*140	140(DN125)	150	45	167
M8*142	142	150	45	165
M8*159	159	169	50	189
M8*168	168(DN150)	178	50	198
M8*219	219(DN200)	229	50	249
M8*225	225	235	50	255

M10*25	25	37	28	56
M10*27	27(DN20)	39	28	58
M10*33	33(DN25)	45	28	64
M10*38	38(DN32)	50	30	69
M10*42	42	54	30	73
M10*45	45	57	30	76
M10*48	48(DN40)	60	35	82
M10*51	51	63	35	85
M10*57	57	69	35	91
M10*60	60(DN50)	72	35	94
M10*63	63	75	35	97
M10*76	76(DN65)	88	40	110
M10*89	89(DN80)	101	40	123
M10*102	102	114	40	136
M10*108	108	120	40	142
M10*114	114(DN100)	126	45	148
M10*133	133	145	45	167
M10*140	140(DN125)	152	45	174
M10*159	159	171	50	193
M10*168	168(DN150)	180	50	202
M10*219	219(DN200)	231	55	263
M10*273	273(DN250)	285	55	317
M10*325	325(DN300)	337	55	369

M12*42	42	56	35	78
M12*45	45	59	35	81
M12*48	48(DN40)	62	35	84
M12*51	51	65	38	87
M12*57	57	71	38	93
M12*60	60(DN50)	74	40	96
M12*63	63	77	40	99
M12*76	76(DN65)	90	40	114
M12*89	89(DN80)	103	40	127
M12*102	102	116	45	140
M12*108	108	122	45	146
M12*114	114(DN100)	128	45	152
M12*133	133	147	45	171
M12*140	140(DN125)	154	45	178
M12*159	159	173	60	200
M12*168	168(DN150)	182	60	209
M12*219	219(DN200)	233	70	267
M12*273	273	287	70	328
M12*325	325	339	70	382

M14*45	45	61	40	87
M14*48	48	64	40	90
M14*51	51	67	40	93
M14*57	57	73	45	99
M14*60	60	76	45	102
M14*63	63	79	45	105
M14*76	76	92	50	118
M14*89	89	105	50	131
M14*102	102	118	50	146
M14*108	108	124	55	152
M14*114	114	130	55	158
M14*133	133	149	55	177
M14*140	140	156	55	184
M14*159	159	175	60	203
M14*168	168	184	60	215
M14*219	219	235	65	272
M14*273	273	289	65	334
M14*325	325	341	70	388
M14*377	377	393	70	445

M16*45	45	63	40	92
M16*48	48	66	40	95
M16*51	51	69	40	98
M16*57	57	75	45	104
M16*60	60	78	45	107
M16*63	63	81	45	110
M16*76	76	94	50	126
M16*89	89	107	50	139
M16*102	102	120	50	152
M16*108	108	126	55	158
M16*114	114	132	55	164
M16*133	133	151	55	183
M16*140	140	158	55	190
M16*159	159	177	60	209
M16*168	168	186	60	218
M16*219	219	237	65	274
M16*273	273	291	65	336
M16*325	325	343	70	390
M16*377	377	395	70	447

Application:

Transportation: truck leaf spring fixation, railway sleeper anchoring, ship pipeline support.

Construction engineering: steel structure connection, pipeline support, bridge cable fixation.

Mechanical manufacturing: equipment chassis reinforcement, bearing seat locking, heavy machinery assembly.

stainless u bolt

Core Features and Advantages

Extremely adaptable

The U-shaped design can tightly fit circular or curved objects (such as pipes, axles, cables), providing uniform wrap around fixation and avoiding stress concentration.

Anti vibration and anti loosening measures

The U-shaped structure can absorb vibration energy and, with threaded locking, remains stable under dynamic loads such as vehicle chassis and mechanical equipment.

Easy installation

No need for complex tools, simply wrap the U-part around the fixed object and tighten the nuts on both sides to complete the assembly, making it easy to disassemble and maintain.