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U Type & J Type hook bolts

U-Bolt and J-Bolt are two common types of embedded or fixed fasteners, widely used in industrial manufacturing, automotive modification, building structures, and equipment installation.
  • U & J Shaped Hook Bolts

  • PDM

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Features of Stainless Steel U Shaped Bolts


U Bolt with Nut Title:

square u-bolt stainless steel m8 stainless steel j hook bolts u bolt connector u bolt with nuts 304 ss


U & J Shaped hook Bolts:

U-shaped Bolt (U-shaped bolt/U-shaped pipe clamp/saddle bolt), U-bolt、U-clamp、Pipe saddle、Saddle bolt.

Feature: U-shaped non-standard fastener with threaded ends, used in conjunction with nuts and washers. Adhering to cylindrical/pipe structures, with uniform force distribution, quick installation without damaging the fittings, no need for welding/drilling, seismic resistance, and anti loosening. It can be made into square U, right angle U, and irregular U, suitable for various structures, etc.

Function: Clamp, fix, and tighten cylindrical/tubular components to prevent displacement, rotation, and vibration loosening.


Best J Hook Bolt Nut Washer

J Shaped Bolt (J-bolt/J-anchor bolt/hook anchor bolt) J-bolt, Hook anchor, Foundation bolt, Anchor bolt.

An anchoring fastener with a J-shaped hook at one end and a straight threaded rod at the other end.


Features: Accurate positioning, compatible with concrete foundation, adjustable height, easy to calibrate later, etc.

Function: In pre embedded concrete/steel structures, use hooks to form anti pull forces for the foundation fixation of equipment, columns, and frames.


Specifications

Thread specifications: M6~M48 (metric); 1/4 "~2" (US)

Length/Center Distance/Bend Diameter: Full size customizable

Standards: JB, GB, ASTM GB/T 799, DIN, ANSI, BSW, etc

Strength grade: 4.8/5.6/6.8/8.8/10.9/12.9; Stainless steel A2-70, A4-7

Material: Carbon steel: Q235, Q355, 45 #, 40Cr (high strength)

Stainless steel: 304 (A2), 316 (A4, resistant to seawater/chemical)

Alloy steel: used for heavy-duty, construction machinery, wind power, bridges, etc


Finish:Electro galvanized,Hot dip galvanized (heavy-duty anti-corrosion),Dacromet/mechanical galvanizing

Natural color/Blackening/Phosphating,Stainless steel pickling and passivation,etc.



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


Square-U-Bolt01


Size d m Width b L1
M6*25*50 6 25 33 25 50
M6*30*50 6 30 38 25 50
M6*35*70 6 35 43 30 70
M6*35*90 6 35 43 40 90
M6*40*80 6 40 48 40 80
M6*42*65 6 42 50 30 65
M6*45*75 6 45 53 35 75
M6*50*80 6 50 58 40 80
M6*65*80 6 65 73 40 80
M8*25*50 8 25 35 30 50
M8*25*75 8 25 35 35 75
M8*30*60 8 30 40 30 60
M8*30*75 8 30 40 35 75
M8*35*85 8 35 45 40 85
M8*35*100 8 35 45 50 100
M8*40*65 8 40 50 35 65
M8*40*80 8 40 50 40 80
M8*40*100 8 40 50 50 100
M8*40*120 8 40 50 50 120
M8*45*110 8 45 55 50 110
M8*50*80 8 50 60 40 80
M8*50*100 8 50 60 50 100
M8*50*120 8 50 60 50 120
M8*55*80 8 55 65 40 80
M8*60*80 8 60 70 40 80
M8*60*90 8 60 70 50 90
M8*60*160 8 60 70 50 160
M8*65*65 8 65 75 35 65
M8*70*100 8 70 80 50 100
M8*70*180 8 70 80 50 180
M8*75*110 8 75 85 50 110
M8*95*118 8 95 105 50 118
M8*100*100 8 100 110 50 100
M8*100*140 8 100 110 50 140
M8*150*185 8 150 160 50 185
M10*50*120 10 50 62 50 120
M10*50*150 10 50 62 50 150
M10*60*100 10 60 72 30 100
M10*70*250 10 70 82 50 250
M10*75*120 10 75 87 50 120
M10*85*100 10 85 97 45 100
M10*85*125 10 85 97 50 125
M10*90*70 10 95 102 40 70
M10*95*100 10 95 107 50 100
M10*100*140 10 100 112 50 140
M10*100*190 10 100 112 50 190
M10*110*135 10 110 122 50 135
M10*120*90 10 120 132 50 90
M10*120*160 10 120 132 50 160
M10*120*190 10 120 132 50 190
M10*140*180 10 140 152 50 180
M10*150*200 10 150 162 100 200
M10*160*210 10 160 172 100 210
M12*60*115 12 60 74 50 115
M12*70*190 12 70 84 50 190
M12*90*130 12 90 104 50 130
M12*100*150 12 100 114 50 150


Application:

Pipeline engineering, automotive/engineering machinery, rail transit/wind power, HVAC, ships, agricultural machinery, steel structure supports, building steel structures: steel columns, steel beams, curtain wall embedment, equipment foundations, etc


stainless u bolt


Manufacturing Process:

Bending and threading processing: thread rolling/threading, high precision, full tooth profile

Surface treatment: anti-corrosion coating

Finished product inspection: size, mechanical properties, salt spray testing

Packaging and outbound: moisture-proof, scratch resistant, packaging cardboard boxes and pallets, etc;


Core Features and Advantages:

High strength and stability: The structure is subjected to reasonable stress and will not deform or fail after long-term use;

Corrosion resistant and durable: multiple surface treatment solutions to extend service life;

Non standard customization capability: Processing bending diameter, center distance, length, and material according to drawings/samples;

Strong interchangeability: can be equipped with one-stop supply of nuts, flat washers, spring washers, and pipe clamps;

Stable delivery time: mass production+demand sampling, supporting long-term supply;

Quality controllable: full process testing (size, mechanics, salt spray, hardness);


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