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Grade 8.8 to 12.9 Screw and Bolt, Nut and Bolt Sizes, Standard Size Bolt and Nut

Our products are mainly made through hot forging. The threads of rail screw spikes are made by hot rolling with special threading machines. We produce metric threads, BS, BSW, TR thread, or round threads.


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standard size bolt and nut, nut/bolt, bolt Information

Themechanical grade is 12.9, case hardening is HRC 38-42, Material is 40CR,and the surface is treated with bluing, screw thread has two type description, one is the metric system:M12-M24-6g, another is denominator system:1/2-1/4–2A.the specification of all price bolt and nut / hex bolt and nut can be customized

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Grade 8.8 to 12.9 Screw and Bolt, Nut and Bolt Sizes, Standard Size Bolt and Nut

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We have thousands different part number of standard size bolt and nut, nut/bolt, bolt ,such as :

1 2B5484+7K1706 D2,933C
2 093-0251+093-0316 D3,D4,931,933
3 8H7504+6S3419 DH028/S50/S55/R450/R500
4 TB9/16*1 3/4
5 4K7038+7K2017 D3,D4,D4D,931,933,941,215
6 7H3596+7K2017 931,933,941
7 TB5/8*1 15/16 R130LC
8 7H3597+1M1408 D4,D5,D5H,D6,D7,953,955,977,561,
9 TB5/8*2 3/32 R210
10 9G3110+1M1408 225,941,951C,951B
11 SH8756 225,941,951B
12 1S1859+1S1860 D6,D7,D7H,D8,D6H
13 144-32-11211 D60AEPPLS-6
14 207-32-11310 D60AEPPLS-7
15 150-32-21321 D65AEPS-6
16 154-32-21320 D65AEPPLS-7
17 7H3598+1S1860 235,571,572,583
18 6V1792+1S1860 955,963,973,977
19 1S8804/154-32-11210 D80A-8

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Grade 8.8 to 12.9 Screw and Bolt, Nut and Bolt Sizes, Standard Size Bolt and Nut

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Grade 8.8 to 12.9 Screw and Bolt, Nut and Bolt Sizes, Standard Size Bolt and Nut

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