What materials are available for these screws?

Materials include Carbon Steel, Alloy Steel, Stainless Steel, and Brass.

What surface finishes are offered?

Options include Plain, Black Oxide, Zinc Plated (Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome, PTFE, and others.

What is the minimum order quantity?

The minimum order quantity is 1 Pc, according to customer demand.

Best Quality Square Head Machine Locking Screw Nylok Precote Screw

Name: Best Quality Square Head Machine Locking Screw Nylok Precote Screw
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2065192685

Shanghai, ChinaShanghai G&T Industry Co., Ltd.

US$0.01-2.00

1,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Model NO.

GT566

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

4.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Blue-White Zinc Plated

Payment Term

30% Tt in Advance

Delivery Time

30-45 Days

Delivery Term

Fob/CIF/DDP

Service

OEM/ODM

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

M3-M100; 1/8" - 4"

Trademark

G&T

Origin

Shanghai, China

Production Capacity

500 Tons/Month

Key features

Wide Material Selection: Available in Carbon Steel, Alloy Steel, Stainless Steel, and Brass.

High Precision Customization: Strictly follows drawing tolerances for high-precision non-standard parts.

Comprehensive Surface Finish: Options include Zinc Plated, Black Oxide, H.D.G, Nickel, Chrome, and PTFE.

Strict Quality Control: Processes adhere to ISO9001:2008 with strong technical support.

Flexible OEM/ODM Service: Custom manufacturing based on customer drawings, photos, or samples.

Fast Delivery for Standard Parts: Standard parts delivered within 7-15 days; non-standard within 15-25 days.

Extensive Industry Application: Suitable for Machinery, Chemical, Building, Oil & Gas, and Wind Energy.

Competitive Pricing: One-stop shopping with reasonable prices and high quality assurance.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceFast DeliveryManagement Certification

Shanghai G&T Industry Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.77h

AI-Powered supplier vetting

SummaryShanghai G&T Industry Co., Ltd. is identified as a limited trading company offering bolts, nuts, threaded rods, stud bolts, and customized fasteners. The supplier reports broad customization, ODM capability, new products launched during the past year, and OEM service for well-known brands. Stated annual productivity includes 6,000 tons of thread rods, 5,000 tons of bolts, 5,000 tons of nuts, 3,000 tons of washers, and 3,000 tons of stud bolts. Service procedures include documented supplier assessment, corrective and preventive actions, and customer complaint handling, with lead times within 15 workdays in both peak and off-season. However, the supplier has no overseas agents or branches, overseas warehouse, showroom, or inventory capability. Raw-material traceability, quality assurance status, outsourcing controls, and contract status are unknown. An audit by TUV Rheinland is recorded, but the audit type and evaluation result are not sufficiently interpretable from the provided values.

Supplier typeThe supplier is a limited company classified as a trading company, with a stated business scope covering metal materials, hardware, machinery, and related products. Its offered products are bolts, nuts, threaded rods, stud bolts, and customized fasteners, and it is not identified as part of a larger company group.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaint handling. It has no overseas agents or branches, overseas warehouse, showroom, or in-stock service capability, which limits local and immediate after-sales support.

R&D capabilityThe supplier reports new products during the past year, ODM service, and multiple design-based customization options. It does not have an available SDK, but the available evidence supports product development and design capability.

Production capacityReported annual productivity is 6,000 tons of thread rods, 5,000 tons each of bolts and nuts, and 3,000 tons each of washers and stud bolts. Lead time is stated as within 15 workdays in both peak and off-season; however, the supplier also reports no inventory capability, while outsourcing procedures and manufacturing-capacity contracts remain unknown.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its product scope also expressly includes customized fasteners, and it reports ODM capability.