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Threaded Rods & Studs › Double-End & Tap-End Studs

ASTM A193 B7 A320 L7 Double End Stud Bolt

Updated 2026-11-04 · Markdown version

US$0.12 / piece

MOQ 10,000 pieces · Final price confirmed in your quote

Material: Alloy Steel, Carbon Steel
Head Style: Round
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Grade: B7 B7m L7 L7m
Finish: Color-Zinc Plated
Customize: Yes
Special Size: Yes
Package Size: 26.00cm * 26.00cm * 10.00cm

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Customization	Available
Material	Alloy Steel, Carbon Steel
Type	Thread Rods
Connection	Common Bolt
Head Style	Round
Standard	DIN, ANSI, GB, JIS, BSW, GOST
Grade	B7 B7m L7 L7m
Application	Machinery, Chemical Industry, Environmental, Building
Finish	Color-Zinc Plated
Customize	Yes
OEM ODM	Yes
Special Size	Yes
Transport Package	Carton and Pallet
Specification	1/4''-4'', 1/4''-2 1/2'', M6-M100
Origin	Shanghai
HS Code	7318150090
Production Capacity	1400000000 Piece/Pieces Per Day
Package Size	26.00cm * 26.00cm * 10.00cm
Package Gross Weight	21.000kg
Other Instructions	Fasteners are widely used in various buildings, machine parts, furniture, power accessories, telephones, etc.
Category	Double-End & Tap-End Studs

Technical parameters

Product Name	ASME B18.2.1 ASTM A193 B7 B7m L7 L7m Double End Stud Bolt
Standard	ASTM A193,ASTM A194,ASTM A320,DIN939/938/975/936
Material	Carbon Steel,Stainless Steel,Alloy Steel,Brass and etc.
Surface Finish	Plain,Zinc Plated(Clear/Blue/Yellow/Black),Black Oxide,Nickel,Chrome,H.D.G.and etc.
Size	1/4''-4'',1/4''-2 1/2'',M6-M100

Description

ASTM A193 B7 A320 L7 Double End Stud Bolt is part of our double-end & tap-end studs range (Threaded Rods & Studs).

Key details

Type: Thread Rods
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Material: Alloy Steel, Carbon Steel
Grade: B7 B7m L7 L7m
Head Style: Round
Finish: Color-Zinc Plated
Connection: Common Bolt
Application: Machinery, Chemical Industry, Environmental, Building

Available configurations include material, head style, standard, grade and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 10,000 pieces at US$0.12 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for ASTM A193 B7 A320 L7 Double End Stud Bolt?

The listed minimum order is 10,000 pieces, at US$0.12 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of ASTM A193 B7 A320 L7 Double End Stud Bolt?

Type: Thread Rods; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Alloy Steel, Carbon Steel; Grade: B7 B7m L7 L7m; Head Style: Round; Finish: Color-Zinc Plated. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and finish. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other double-end & tap-end studs are available?

The Double-End & Tap-End Studs category lists 3,053 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/threaded-rods-studs/double-end-tap-end-studs/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

More about us → · Request a sample or custom quote →

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US$0.12MOQ 10,000 piecesGet a quote WA