ASTM A320 Grade L7M Stud Bolt, ASME B18.31.2, 3/4 IN, 305 mm

Key Specifications / Features

This supplier offers ASTM A320 Grade L7M full thread stud bolts manufactured to ASME B18.31.2 standards. Each stud bolt measures 3/4 inch in diameter and 305 mm in length. The bolts feature a UNC coarse thread for secure fastening. A black oxide coating provides corrosion resistance and a clean finish. These stud bolts are designed for high-pressure and low-temperature service in flanged connections and pressure vessel applications.

Model No.: LD-20260715-SB-01
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Categories: Stud Bolts
Tags: ASTM A320 Grade L7M Stud Bolt, 3/4 Inch Stud Bolt, ASME B18.31.2 Stud Bolt

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Product Name: ASTM A320 Grade L7M Stud Bolt, Full Thread
Standard: ASME B18.31.2
Material: ASTM A320 Grade L7M
Size: 3/4 Inch
Length: 305 mm
Thread Type: UNC Coarse Thread
Surface Finish: Black Oxide Coating
Base material classification: ASTM A320 covers low-alloy carbon steel fasteners intended for cryogenic and low-temperature service applications.

Process & Thread Advantages

Full-length UNC coarse thread formed by thread rolling, smooth burr-free teeth for tight meshing and anti-slipping performance.
Manufactured per ASME B18.31.2; 100% thread gauge inspection ensures perfect interchangeability.
Uniform black oxide finish blocks moisture & air, offering reliable temporary rust resistance for storage & outdoor temporary use.

Quality & Delivery Advantages

Complete MTC EN10204 3.1 material test reports with heat number, mechanical & chemical composition data.
Custom bulk orders available: adjustable length, alternative finishes (zinc plating / PTFE / Dacromet), matched nuts & washers as full sets.
Moisture-proof packing with inner plastic film + woven bag / wooden case, preventing rust & damage during long sea shipment.

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