What is the delivery time for standard and non-standard parts?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We aim to deliver as soon as possible with guaranteed quality.

How can I order custom-made (OEM/ODM) hardware?

Send your new product drawing or sample to us. We will custom-make the hardware as required and provide professional advice to maximize performance.

What are the packing terms for your products?

Generally, we use neutral transparent bags, color boxes, or plastic boxes with cartons. For branded packaging, we require authorization letters for legally registered patents.

Rolled Thread Tamperproof Stainless Steel Self-Tapping Screws Security Triangular Tri Head Bolt DIN 22424 Non-Standard Triangle Screw

Name: Rolled Thread Tamperproof Stainless Steel Self-Tapping Screws Security Triangular Tri Head Bolt DIN 22424 Non-Standard Triangle Screw
Brand: Hengling Metal Products (Huzhou) Co., Ltd.
SKU: 2100695762

Zhejiang, ChinaHengling Metal Products (Huzhou) Co., Ltd.

US$0.10

1,000-4,999 Pieces

US$0.08

5,000-9,999 Pieces

US$0.06

10,000-49,999 Pieces

US$0.01

50,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Shape of Head

Round

Model NO.

Triangle Thread Screw

Surface Finishing

Nickel Plated

Certification

ISO, GS, RoHS, CE

Customized

Non-Customized

Product Name

Triangular Thread Screw

Keywords

Triangular Screw

Fastener Standard

ASTM, ANSI, AISI, DIN, ISO, Ifi, JIS

Fastener Material

Stainless Steel

Fastener Grade

B8/B8m

Fastener Finish

Plain

Size

M6-M12; 1/4"-3/4"

Length

10mm - 300mm

Material Range

Stainless Steel / Carbon Steel

Thread Size

M6/M6.3/M7/M8/M10/M12

Bolts Length

12/14/25/40/45/50/55 mm

Mark

According to Customer's Requirement

Surface Treatment

Black, Zinc, Plain, Zinc Plated, Blue Anodized

OEM & ODM Custom

Sample

Transport Package

Standard Packaging or Customized

Specification

Standard Specifications or Customized

Trademark

HENGLING

Origin

Zhejiang, China

Production Capacity

5000000 Pieces/Year

Key features

Tamperproof Security Design: Triangular drive requires special tools, preventing unauthorized removal and enhancing safety.

Self-Tapping & Self-Locking: Creates its own thread, eliminating pre-tapping needs and providing vibration-resistant locking.

High Precision Manufacturing: Manufactured to international standards with extremely high tolerances for high-precision applications.

OEM & ODM Customization: Accepts custom designs, samples, and drawings for non-standard fasteners and specific sizes.

Wide Material Selection: Available in Carbon Steel, Stainless Steel (304/316), Brass, and other alloys per customer request.

International Standard Compliance: Adheres to DIN, ASTM, ANSI, ISO, and IFI standards, ensuring quality and safety compliance.

Cost-Effective Solution: Reduces assembly costs by eliminating pre-tapping and additional locking components.

Fast Delivery Service: Standard delivery within 30-40 days, with expedited options for urgent project needs.

Company profile

Importers and Exporters

Hengling Metal Products (Huzhou) Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤0.23h

AI-Powered supplier vetting

SummaryThe supplier is a combined hardware-processing and trading company offering screws, nuts, and fasteners. It reports broad customization, ODM and OEM capabilities, new products within the past year, six production lines, and seven years of export experience. Products can follow GB, DIN, ANSI, BS, and JIS standards and support various coating processes. However, quality and service controls show procedural weaknesses: finished-product inspections have instructions but no written records, and service procedures and corrective actions likewise lack records. The supplier has one quality inspector, no overseas warehouse, showroom, agents, branches, or offline trade-show participation, and does not continuously reconcile production quantities by batch or lot. Financial information is insufficient for assessment, and no specific customer names or case details are provided.

Supplier typeThe supplier is identified as a combined company whose business scope covers hardware processing and sales, fasteners, metal products, equipment, and related goods, while its offered products specifically include screws, nuts, and fasteners. This indicates a combined manufacturing/trading profile rather than a narrowly specialized entity.

After-Sales capabilityThe supplier has procedures for service assessment, corrective and preventive actions, and complaint handling, but no written records for these processes. It also has no overseas warehouse, showroom, overseas agents or branches, and has no stated overseas service countries, which limits demonstrated after-sales support capability.

R&D capabilityThe supplier reports new products within the past year, ODM services, and broad design customization. It does not have an available SDK, but SDK availability is not sufficient by itself to negate the demonstrated product-development and design-service capabilities.

Production capacityThe supplier reports six production lines, a cold-heading forming facility, and seven years of export experience, supporting established manufacturing capability for fasteners. Nevertheless, it does not continuously reconcile quantities by batch or lot, and only one quality assurance and control inspector is reported, indicating control limitations alongside the production capacity.

Customization capabilityThe supplier explicitly offers customization from samples, minor customization, customization from designs, full customization, and flexible customization. It also states that non-standard products can be customized and that various coating processes are available for screws, providing direct evidence of broad customization capability.

Product Q&A

Q:What are the main products and materials supplied?

Main products include screws, bolts, nuts, rivets, special non-standard studs, and CNC machining parts. Materials include Carbon Steel, Alloy Steel, Aluminum, Stainless Steel, Brass, Copper, and Titanium.

Q:How long does it take to receive a price quotation?

We usually offer a quotation within 12 hours. For special offers, it takes no more than 24 hours. Urgent cases can be handled via phone or email.

Q:Can you manufacture products not listed on the website?

Yes. You can send pictures, photos, or drawings via email, or send samples by DHL/TNT. We develop new models monthly and can create custom parts for you.

Q:Do you follow drawing tolerances and ensure high precision?

Yes, we can strictly follow tolerances on drawings and provide high-precision parts made according to your specific design requirements.

Q:What are the payment terms for orders?

Payments are made by T/T. For samples, 100% payment with the order. For production, 30% deposit before production, and the balance before shipment.