Standard & made-to-drawing parts
Checked before shipping
Air, sea & express delivery

Anchors & Construction Fixings › Foundation & Anchor Bolts

Undercut Anchor Bolt for Fixing Steel Structures and Curtain Walls

Updated 2026-11-03 · Markdown version

Model no. 701023.

US$0.072 – 0.96 / piece

MOQ 100 pieces · Final price confirmed in your quote

Standard: GB, ASTM, DIN, JIS, AISI, BS
Material: 40Cr steel/A2 stainless steel
Surface treatment: hot-dip galvanized ≥45um, electro-galvanized ≥5um

Get a quote WhatsApp

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
Usage	for C20 Concrete and Above
Standard	GB, ASTM, DIN, JIS, AISI, BS
Model NO.	701023.
Application	Steel Workshop, Steel Fabricated House, Structural Roofing, Steel Structure Bridge
After-sales Service	Within 48 Hours
Warranty	12 Months
Type	Undercut Anchor Bolt
Connection Form	Anchor Bolt
Member	Undercut Anchor Bolt
Transport Package	Standard Export Package
Origin	Jiangsu, China
Material	40Cr steel/A2 stainless steel
Surface treatment	hot-dip galvanized ≥45um, electro-galvanized ≥5um
Category	Foundation & Anchor Bolts

Technical parameters

HRK Undercut anchor bolt
Application	For C20 concrete and above For fixing steel structures, curtain walls, pipe supports, equipment and anchoring applications with seismic requirements
Technical data	Material: 40Cr steel/A2 stainless steel
Surface treatment: hot-dip galvanized ≥45um, electro-galvanized ≥5um
Test	Mechanical test report, cracked concrete test report, seismic test report, fire resistance test report
Product features	Sleeve self-expanding bottom provides reliable key bearing capacity Suitable for cracked concrete Passed the JG/T 160 seismic S-class type inspection The matching drilling and reaming tools make on-site installation more convenient and reliable

HRK Undercut anchor bolt
Product name	Aperture (mm)	Hole depth (mm)	Effective embedded depth (mm)	Anchor bolt length (mm)	Opening diameter of fixed object (mm)	Max thickness of fixed object (mm)	Installation torque (N.M)	Part code (electro-galvanized)	Product code (hot dip galvanized)	Product code (stainless steel)
HRK Undercut anchor bolt M10x110	15	69	60	110	12	20	30	701023	7010231	7010232
HRK Undercut anchor bolt M10x140	15	69	60	140	12	50	30	701024	7010241	7010242
HRK Undercut anchor bolt M12x100	18	75	60	100	12	20	45	70101	701011	70102
HRK Undercut anchor bolt M12x135	18	92	80	135	14	20	45	701025	7010251	7010252
HRK Undercut anchor bolt M12x150	18	92	80	150	14	35	45	701026	7010261	7010262
HRK Undercut anchor bolt M12x175	18	92	80	175	14	65	45	701027	7010271	7010272
HRK Undercut anchor bolt M16x170	23	115	100	165	18	30	120	701028	7010281	7010282
HRK Undercut anchor bolt M16x200	23	115	100	200	18	65	120	701029	7010291	7010292
HRK Undercut anchor bolt M16x195	23	140	125	195	18	30	120	701030	7010301	7010302
HRK Undercut anchor bolt M16x225	23	140	125	225	18	60	120	701031	7010311	7010312
HRK Undercut anchor bolt M16x240	23	140	125	240	18	75	120	701032	7010321	7010322

Description

Undercut Anchor Bolt for Fixing Steel Structures and Curtain Walls is part of our foundation & anchor bolts range (Anchors & Construction Fixings).

Key details

Type: Undercut Anchor Bolt
Standard: GB, ASTM, DIN, JIS, AISI, BS
Material: 40Cr steel/A2 stainless steel
Surface treatment: hot-dip galvanized ≥45um, electro-galvanized ≥5um
Application: Steel Workshop, Steel Fabricated House, Structural Roofing, Steel Structure Bridge
Usage: for C20 Concrete and Above
Warranty: 12 Months
Connection Form: Anchor Bolt

Available configurations include standard, material and surface treatment. 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$0.072 – 0.96 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 Undercut Anchor Bolt for Fixing Steel Structures and Curtain Walls?

The listed minimum order is 100 pieces, at US$0.072 – 0.96 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 Undercut Anchor Bolt for Fixing Steel Structures and Curtain Walls?

Type: Undercut Anchor Bolt; Standard: GB, ASTM, DIN, JIS, AISI, BS; Material: 40Cr steel/A2 stainless steel; Surface treatment: hot-dip galvanized ≥45um, electro-galvanized ≥5um; Application: Steel Workshop, Steel Fabricated House, Structural Roofing, Steel Structure Bridge; Usage: for C20 Concrete and Above. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include standard, material and surface treatment. 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 →

Request a quote for this product

US$0.072 – 0.96MOQ 100 piecesGet a quote WA