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Anchors & Construction Fixings › Foundation & Anchor Bolts

Parallel Rod Coupling Metal Building Materials-Anchor Bolt Coupling

Updated 2026-11-03 · Markdown version

Model no. R25-R51, T30-T103

US$1.44 / piece

MOQ 100 pieces · Final price confirmed in your quote

Standard: ISO 10208
Surface Treatment: Hot Galvanized/Epoxy Coated/Painting
Material: Seamless Steel En 10083-1
Thread: R/T Thread Left/Right
Hardness: HRC 23 ~ HRC 30
Package Size: 42.00cm * 38.00cm * 25.00cm

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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

Customization	Available
After-sales Service	Whole Plan Provider
Warranty	If Commonly Used, at Least 2 Years
Model NO.	R25-R51, T30-T103
Certification	CE, Gsg/ISO/GB
Standard	ISO 10208
Surface Treatment	Hot Galvanized/Epoxy Coated/Painting
Manufacturing Process	CNC Machining
Material	Seamless Steel En 10083-1
Thread	R/T Thread Left/Right
Application	Connection and Extending The Hollow Bars
Corrosion Protection	Bright Steel/Hot Galvanized/Epoxy Coating
Hardness	HRC 23 ~ HRC 30
Package	Carton Box/ Plywood Case
Transport Package	Carton Box/Plywood
Specification	R25/R32/R38/R51/T30/T40/T53/T76/T103
Origin	China
HS Code	84314320
Production Capacity	10000PCS/Month
Package Size	42.00cm * 38.00cm * 25.00cm
Package Gross Weight	20.000kg
Self-drilling Anchor System Consists of five basic components	- One Or More Steel Hollow Bar
Category	Foundation & Anchor Bolts

Technical parameters

ANCHOR COUPLING
Thread Size	Out Diameter(mm)	Length(mm)	Unit Weight(kg)
R25	36	150	0.6
R32	42	145	0.7
42	160	0.8
42	190	0.9
R38	52	180	1.4
52	200	1.6
52	220	1.7
R51	63	200	1.8
63	220	2.1
T30	38	105	0.4
T40	54	140	1.1
57	140	1.4
T52	70	160	2.4
T73	89	235	3.8
95	245	5.7
T76	95	200	6.4
T103	123	255	7.5
Hardness	HRC 23 - HRC 30
Thread Standards	ISO 10208 / ISO 1720 / Other International Standards
Thread Type	Left Hand / Right Hand
Option of Anti-Corrosion	Hot-dipped Galvanization Standard
Painting Coating
Epoxy Coating
Other	With the middle stop, O rings are available as per the request
Material	45C Seamless Steel En10083/ Carbon Steel

Description

Parallel Rod Coupling Metal Building Materials-Anchor Bolt Coupling is part of our foundation & anchor bolts range (Anchors & Construction Fixings).

Key details

Standard: ISO 10208
Material: Seamless Steel En 10083-1
Thread: R/T Thread Left/Right
Surface Treatment: Hot Galvanized/Epoxy Coated/Painting
Application: Connection and Extending The Hollow Bars
Certification: CE, Gsg/ISO/GB
Warranty: If Commonly Used, at Least 2 Years
Manufacturing Process: CNC Machining

Available configurations include standard, surface treatment, material, thread and hardness. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$1.44 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 Parallel Rod Coupling Metal Building Materials-Anchor Bolt Coupling?

The listed minimum order is 100 pieces, at US$1.44 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 Parallel Rod Coupling Metal Building Materials-Anchor Bolt Coupling?

Standard: ISO 10208; Material: Seamless Steel En 10083-1; Thread: R/T Thread Left/Right; Surface Treatment: Hot Galvanized/Epoxy Coated/Painting; Application: Connection and Extending The Hollow Bars; Certification: CE, Gsg/ISO/GB. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include standard, surface treatment, material, thread and hardness. 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 foundation & anchor bolts are available?

The Foundation & Anchor Bolts category lists 2,223 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/anchors-construction-fixings/foundation-anchor-bolts/

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$1.44MOQ 100 piecesGet a quote WA