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1). Standard: DIN933 full threaded hex bolts
2). Grade: DIN Gr. 4.6--Gr. 12.9
3). Material: Carbon steel, alloy steel, stainless steel, etc.
4). Su

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1). Standard: DIN931 partial threaded hex bolts
2). Grade: DIN Gr. 4.6--Gr. 12.9
3). Material: Carbon steel, alloy steel, stainless steel, etc.
4).

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Standards: SAE J429 Gr2/Gr5/Gr8
Head style: hexagonal
Materials: plain steel and (45#, 35# and 40Cr)
Finish: ZY and ZP

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Material: carbon steel
Surface treatments: plain, black, zinc-plated (ZP), yellow zinc-plated (YZP), hot-dipped galvanizing (HDG), dacromet, nickel-

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Material: High strength/tensile
Surface treatments: plain, black, zinc-plated (ZP), yellowzinc-plated (YZP), hot-dipped galvanizing (HDG), Dacromet,

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Key enterprise of stainless steel standard pieces
SUS SS 201, 202, 304, 304L, 316 316L, 310, 410 CS 4.8, 8.8, 10.9, 12.9
DIN, ASTM BS, JS, GB, EN DI

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Standards: ASTM A563 GR.A, GR.B, GR.C and GR.DH ,8S, 10S
Size: 1/2 to 3'
Grades: A, B, C and DH
Surface treatment: plain, zinc, nickel, HDG, black,

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Standards: A194 grade 2HM
Grades: 2H, 2HM, 7, 7M, 4, 8 and 8M
Sizes: 1/4-4''
Finish: plain, black, ZP, ZY and HDG
Materials: carbon steel, alloy s

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