What is your delivery time?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We ensure delivery as soon as possible with guaranteed quality.

How to Custom-made (OEM/ODM)?

If you have a new product drawing or sample, please send it to us. We can custom-make the hardware as required and provide professional advice to maximize performance.

What are your terms of packing?

Generally, we pack goods in neutral transparent bags, color boxes, or plastic boxes with cartons. If you have a legally registered patent, we can pack goods in your branded boxes after receiving your authorization letters.

Which mode of transport would be better?

In general, for heavy production, we advise delivery by sea. However, we respect your views on other transportation methods as well.

Premium Rolled Thread Tamper-Proof Self-Tapping Screws for M8 Hex Head

Name: Premium Rolled Thread Tamper-Proof Self-Tapping Screws for M8 Hex Head
Brand: Hengling Metal Products (Huzhou) Co., Ltd.
SKU: 2100660122

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

Stainless Steel

Shape of Head

Round

Model NO.

Triangle Thread Screw

Surface Finishing

Zinc Plated

Certification

ISO, GS, RoHS, CE

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

Tamper-Proof Design: Triangular drive requires special bit, preventing removal with ordinary tools for enhanced security.

Self-Tapping & Locking: Creates own thread without pre-tapping, offering self-locking resistance to loosening under vibration.

High Precision Customization: Accepts customer drawings and samples for full customization with extremely high tolerances.

Wide Material Selection: Available in Stainless Steel, Carbon Steel, Brass, Titanium, and various other alloy grades.

Multiple Surface Treatments: Options include Zinc Plated, Black Oxide, Dacromet, and others as per customer request.

International Certification: Complies with ISO, GS, RoHS, CE, ASTM, ANSI, DIN, and other international standards.

Cost-Effective Solution: Eliminates need for pre-tapping and auxiliary locking devices, reducing assembly costs.

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: ≤0.29h

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 your main products and material supply?

Our main products include Screws, Bolts, Nuts, rivets, Special Non-standard studs, and high-end precision CNC Machining parts. We supply Carbon Steel, Alloy Steel, Aluminum alloy, Stainless Steel, Brass, Copper, Titanium alloy, or materials according to your requirement.

Q:When can I get the price?

We usually offer a quotation within 12 hours, and special offers within 24 hours. For urgent cases, please contact us directly by phone or send an email.

Q:If you cannot find the product you need on our website, how should I proceed?

You can send pictures, photos, and drawings of the products you need by email for us to check availability. We develop new models every month. Alternatively, you can send samples by DHL/TNT, and we will develop a new model specifically for you.

Q:Can you strictly follow the tolerance on the drawing and meet high precision?

Yes, we can. We provide high-precision parts and manufacture them according to your drawing with extremely high tolerances.

Q:How should I order and make payment?

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