Oil & Gas

28th July 2025

Wellhead Bolting That Seals When Hell Freezes Over

Challenge: Sulfide stress cracking at 15,000psi

Solution:

NACE MR0175 compliant A286 L9 bolts
Cold-forged 718 Inconel nuts
Proof: Zero H₂S failures in Permian Basin fracking operations

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High Strength Bolts 8.8 Grade
Hot Dipped Galvanized Bolt As1252 ,Din931, Din933 Grade 8.8

hex head bolt full thread, Hex bolt full thread factory

Metric Sizes: M12 to M64 Standards: DIN933,ISO4017
Surface: Hot dipped Galvanized , Electro-Galvanizing ,Dacromet Coating .
Grade : 8.8, 10.9, 12.9, SAE Grade 2, 5, 8 Material type:Medium carbon steel ,Alloy steel

Hot-dip Galvanized Hexagon Nut

HEX CAP SCREW/HEX BOLT MANUFACTURER IN CHINA/BOLT FACTORY
Hex Bolts, Hex Cap Screws, Metric Bolts, ANSI/ASME B18.2.1 Bolts

Standard: DIN931, DIN933, ISO4017
Sizes: M3, M4, M6, M8, M10, M12 … to M64
Surface: Black Hex Bolts, Hot dipped Galvanized Hex Bolts, Zinc Plated Bolts, Decromet Coated Bolts,Geomet Bolts , Magni 565 Bolts
Grade: 4.8, 6.8, 8.8, 10.9, 12.9