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

As2528 Double End Stud Bolt API Threaded Rod

Updated 2026-11-04 · Markdown version

Model no. AS2528

US$0.18 / piece

MOQ 1,000 pieces · Final price confirmed in your quote

Grade: 4.8,8.8,10.9,12.9
Customized: Customized
Coating: Black,Z/P,HDG,PTFE,Plain
Package Size: 113.00cm * 86.00cm * 56.00cm
Material: B7, B7m, L7, L7m, B16, B8, B8a, B8m, B8ma, B6,660
Surface Finishing: Black,Z/P,HDG,PTFE,Plain
Standard Terms: FOB ,CIF, EXW

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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

Model NO.	AS2528
Grade	4.8,8.8,10.9,12.9
Certification	ISO, GS
Customized	Customized
Used	Machinery Assembly, Oil & Gas Projects, Structural
Payment	T/T,L/C,D/P
Coating	Black,Z/P,HDG,PTFE,Plain
Class	4.8,8.8,10.9,12.9
Sample	Contact Us
Transport Package	25kg/Carton, 36carton/Pallet
Specification	1/2"-4"
Origin	Ningbo, China
HS Code	7318151001
Production Capacity	1000ton /Month
Package Size	113.00cm * 86.00cm * 56.00cm
Package Gross Weight	900.000kg
Customization	Available
Material	B7, B7m, L7, L7m, B16, B8, B8a, B8m, B8ma, B6,660
Surface Finishing	Black,Z/P,HDG,PTFE,Plain
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Pre-production	Dimensional checks on samples
Pre-shipment	Full batch inspection including
Standard Terms	FOB ,CIF, EXW
Payment Methods	SWIFT TT transfer, D/P, LC at sight (negotiable for bulk orders)
Category	Double-End & Tap-End Studs

Technical parameters

Standard	As2528 Double End Stud Bolt API Threaded Rod
Size	1/2"-4"
Grade	B7, B7M, L7, L7M, B16, B8, B8A, B8M, B8MA, B6,660
Surface finishing	Black,Z/P,HDG,PTFE,PLAIN

Description

As2528 Double End Stud Bolt API Threaded Rod is part of our double-end & tap-end studs range (Threaded Rods & Studs).

Key details

Material: B7, B7m, L7, L7m, B16, B8, B8a, B8m, B8ma, B6,660
Grade: 4.8,8.8,10.9,12.9
Certification: ISO, GS
Used: Machinery Assembly, Oil & Gas Projects, Structural
Coating: Black,Z/P,HDG,PTFE,Plain
Class: 4.8,8.8,10.9,12.9
Surface Finishing: Black,Z/P,HDG,PTFE,Plain
Pre-production: Dimensional checks on samples

Available configurations include grade, customized, coating, package size and material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.18 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 As2528 Double End Stud Bolt API Threaded Rod?

The listed minimum order is 1,000 pieces, at US$0.18 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 As2528 Double End Stud Bolt API Threaded Rod?

Material: B7, B7m, L7, L7m, B16, B8, B8a, B8m, B8ma, B6,660; Grade: 4.8,8.8,10.9,12.9; Certification: ISO, GS; Used: Machinery Assembly, Oil & Gas Projects, Structural; Coating: Black,Z/P,HDG,PTFE,Plain; Class: 4.8,8.8,10.9,12.9. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include grade, customized, coating, package size and material. 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

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US$0.18MOQ 1,000 piecesGet a quote WA