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Anchors & Construction Fixings › Foundation & Anchor Bolts

Deep Excavation Mining Self Drilling Anchor Bolt and Accessories Rock Bar Bolt

Updated 2026-11-03 · Markdown version

US$9.00 / piece

MOQ 10 pieces · Final price confirmed in your quote

Standard: AISI, GB, ASTM
Surface Treatment: Galvanized
Material: Cast Steel
Size: R25/R32/R38/R51/T30/T40/T52/T76/T108/T111/T130...
Finished: Galvanized,Epoxy

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

After-sales Service	Available
Warranty	Available
Certification	CE, RoHS, ISO 9001:2000
Standard	AISI, GB, ASTM
Surface Treatment	Galvanized
Manufacturing Process	Forging
Material	Cast Steel
Application	Deep Foundation Use
Field	Coal Mining
Type	Carbon Steel Bar
Processing Service	Cutting
Size	R25/R32/R38/R51/T30/T40/T52/T76/T108/T111/T130...
Finished	Galvanized,Epoxy
Usage	Mine,Tunnel,Slope,Foundation Pit
Transport Package	Carton Box
Specification	customized
Origin	China
HS Code	73082000
Production Capacity	100, 000 Ton Per Year
Category	Foundation & Anchor Bolts

Technical parameters

R-Thread Hollow anchor Bar
Size	Outer Dia.(mm)	Ultimate Lad(kN)	Yield Load(kN)	Weight(kg/m)
R25N	25	200	150	2.35
R32l	32	210	160	2.83
R32N	32	280	230	3.50
R32S	32	360	280	4.00
R32L	32	210	160	2.50
R32N	32	280	230	2.95
R32S	32	360	280	3.50
R32S1	32	405	320	4.00
R32L1	32	250	190	2.60
R32N	32	280	230	2.83
R38N	38	500	400	5.50
R38N	38	500	400	4.95
R38S	38	500	450	5.90
R51L	51	580	450	6.75
R51N	51	800	630	9.00
R51L	51	550	450	6.20
R51L1	51	660	540	6.75
R51N	51	800	630	8.20
R51S	51	925	740	9.25
T-Thread Hollow anchor Bar
T30L	30	220	180	2.90
T30N	30	260	220	3.35
T30S	30	320	260	3.60
T30S	30	320	260	3.35
T40N	40	539	430	6.20
T40S	40	660	525	7.20
T40N	40	539	430	5.70
T40S	40	660	525	6.80
T52N	52	929	730	10.20
T52N	52	929	730	9.70

Description

Deep Excavation Mining Self Drilling Anchor Bolt and Accessories Rock Bar Bolt is part of our foundation & anchor bolts range (Anchors & Construction Fixings).

Key details

Type: Carbon Steel Bar
Standard: AISI, GB, ASTM
Material: Cast Steel
Size: R25/R32/R38/R51/T30/T40/T52/T76/T108/T111/T130…
Surface Treatment: Galvanized
Application: Deep Foundation Use
Certification: CE, RoHS, ISO 9001:2000
Warranty: Available

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 10 pieces at US$9.00 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 Deep Excavation Mining Self Drilling Anchor Bolt and Accessories Rock Bar Bolt?

The listed minimum order is 10 pieces, at US$9.00 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 Deep Excavation Mining Self Drilling Anchor Bolt and Accessories Rock Bar Bolt?

Type: Carbon Steel Bar; Standard: AISI, GB, ASTM; Material: Cast Steel; Size: R25/R32/R38/R51/T30/T40/T52/T76/T108/T111/T130...; Surface Treatment: Galvanized; Application: Deep Foundation Use. 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, size and finished. 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$9.00MOQ 10 piecesGet a quote WA