We have most sizes in stock. For orders under 5,000 pcs, the lead time is 5-7 days.

Can we customize the production?

Yes,we can make mold to produce,you only send us your request with detailed drawings or photos, then we will make the quotation for you accordingly.

Can I get a better price for bulk orders?

Definitely. Our prices are negotiable. The more you order, the more discount you will get. Please contact us for a tailored offer.

Are your products certified? Can I get the certification files?

All our products comply with industry standards and hold valid certificates. Please send us a message, and we will provide you with the relevant certification documents promptly.

Can you offer detailed dimension drawings and specifications?

We have complete size data for all items. Feel free to contact us to receive the detailed product dimensions.

What base materials are wedge anchors suitable for?

Recommended for solid concrete, granite and stone. Not suitable for hollow bricks, aerated blocks or other hollow & porous walls.

What-size drill bit should I use for installation?

The hole diameter must match the anchor outer diameter. For example, use a 12 mm drill bit for M12 wedge anchor. Please refer to our specification sheet for exact data.

What surface finishes can you supply?

Yellow zinc, blue white zinc, hot dip galvanized, dacromet and other customized finishes are available.

Can you provide a tensile-load test report?

Yes, factory inspection reports can be provided upon request.

Can you produce according to DIN standards?

Yes, DIN-standard wedge-anchors are available. Carbon steel grade 4.8, 8.8 for your choice.

High Strength Steel Through Bolt Wedge Anchor Fixing Expansion Anchor for Masonry

Name: High Strength Steel Through Bolt Wedge Anchor Fixing Expansion Anchor for Masonry
Brand: Qewitco Fasteners Co., Ltd
SKU: 2117288152

Shandong, ChinaQewitco Fasteners Co., Ltd

US$0.15-0.30

1,000 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Application

Brick, Concrete, Masonry, Stone

Finish

Zinc Plate

Model NO.

Wedge Anchor

Grade

4.8 5.8 6.8 8 10.9 12.9

Installation Method

Pre-Expanded Set

Material

Carbon Steel

Standard

ANSI, BSW, DIN, GB, GOST, JIS, ISO

Type

Concrete Anchor

Delivery

15-30 Days

Packag Color

Customizable

Thread Standard

Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric Fine

Custom Order

Customization by Drawing/Sample

ODM/OEM

Available

Service

Custom-Made Service

Size Standard

Metric

Material Test Certificate

Have

Sample

Samples in Stock Are Free with Freight Collect

Price Terms

Fob/CFR/CIF/DDP/DAP

Quality Control

100% Quality Inspection

Application2

Connection,Fastening

Transport Package

Bulk Pack Small Boxed

Specification

1/4" 3/8"

Trademark

Qewitco

Origin

China

HS Code

731815

Production Capacity

10000ton/Year

Key features

High Strength Grades: Available in Carbon Steel 4.8-8.8 and Stainless Steel 304/316 for diverse load requirements.

Custom OEM/ODM: Full customization support for non-standard dimensions, materials, and specific customer drawings.

Massive Production: Monthly capacity exceeds 50,000,000 pieces with over 60 sets of high-precision equipment.

Wide Application: Suitable for concrete, masonry, stone, and solid brick wall substrates.

Multiple Finishes: Options include Zinc Plated, Hot Dipped Galvanized, Dacromet, and various stainless steel grades.

Quality Assurance: 100% inspection for finished products including functional and visual checks by 3 QA inspectors.

Fast Delivery: Average lead time within 15 workdays for both peak and off-season periods.

Stock Availability: Maintains over 100 tons of spot inventory for standard fasteners to ensure quick shipment.

Suitable for solid base materials such as concrete and stone

Widely used for curtain walls, railings, machinery, shelves and other construction anchoring

Company profile

Years of Export ExperienceExperienced TeamSelf-brandedHigh Repeat Buyers Choice

Qewitco Fasteners Co., Ltd

Shandong, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2003-12-05Average Response Time: ≤0.70hTerms of Payment: T/T

AI-Powered supplier vetting

SummaryThe supplier demonstrates established export experience, with 90% of sales from exports and 22 years of exporting. It has ISO9001:2015 certification, raw-material traceability, quality assurance, and 100% finished-product inspection, although inspection is performed by packing staff and only two quality inspectors are reported. Customization is broad, covering samples, designs, full customization, minor customization, and flexible customization. Service strengths include in-stock capability, stated lead times within 15 workdays in both peak and off-season, and multiple payment and quotation terms. Limitations include no overseas warehouse, showroom, agent, branch, or overseas service-country coverage, no Fortune 500 cooperation, no new products launched in the last year, one R&D engineer, no popular-brand OEM, and an undocumented corrective/preventive-action process. Financial credibility cannot be assessed because the provided financial figures are excluded from evaluation.

Supplier typeThe supplier is strongly export-oriented, reporting 90% export sales and 22 years of export experience. It can provide in-stock service and accepts FOB, CIF, CFR, and EXW terms, but reports no overseas warehouse, showroom, agent, branch, or overseas service-country coverage.

CertificationsThe supplier reports an ISO9001:2015 certificate for both sustainable development management and management systems, plus other product compliance or sustainability certifications. The specific additional certifications are not identified, so the evidence supports ISO9001 holding but not broader certification strength.

R&D capabilityThe supplier reports one R&D engineer and no new products launched during the previous year. It also reports no available SDK and no popular-brand OEM capability, which indicates limited documented innovation evidence.

Production capacityProduction-related evidence includes raw-material traceability, 100% finished-product inspection, quality assurance, four own-brand quality-control capabilities, inventory capacity, and lead times within 15 workdays in both peak and off-season. Only two quality inspectors are reported, and finished products are checked by packing staff, so production capability is positive but quality-control depth is limited.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization capability.