SAE J429 Gr.2 Carbon Steel Screws 1mm-600mm Length Customizable

SAE J429 Gr.2 Carbon Steel Screws Blue Zinc Plated for Customized Material Options in Automotive Metric Measurement System

Custom Non-Standard Cold Heading Screws – Precision-Tailored for Your Unique Needs

Specializing in non-standard cold heading screws, Lock Technology (Shenzhen) Co., Ltd. delivers precision-engineered fastener solutions. Our advanced multi-station cold heading machinery and precision mold technology produce fasteners with exceptional accuracy, strength, and adaptability. Designed for automotive, electronics, and machinery applications, our screws meet rigorous standards for dimensional accuracy, tensile strength, and corrosion resistance.

Every Screw, a Masterpiece of Reliable Connection

Material Options	Head Style Options	Measurement System
Stainless Steel: SUS201, SS303, SS304, SS316, SS410, SS430 Carbon Steel: C1018, C1022, 10B21 Alloy Steel: 40Cr, SCM435 Brass, Aluminum, Copper Customized materials available	Pan, Truss, Flat Hexagonal, Round, HEX Cheese, Binding, Oval	INCH, Metric
Drive Style Options	Thread Type Options	Standards
Phillips, Torx, Inner Hexagonal Hexagonal, Plum, Cross Slotted, Star	Self-tapping Machine teeth (Coarse/Fine) Custom thread designs	DIN/ISO/ANSI/DIN/BSW/JIS/GOST/GB
Finish Options	Fastener Performance	Anticorrosion Requirements
Plated: Zinc, Zinc nickel alloy, Chrome, Silver, Gold, Brass, Tin Coating: Dacromet, MAGni, Geomet, Electrophoresis, Baking paint Passivation, Black Oxide, Anodic oxidation	Carbon Steel: 4.8~12.9 grade Stainless Steel: A2-70, A4-70, A4-80, A5-80 Hardening of carburized surfaces: HV400-HV550 Custom specifications available	Customizable salt spray testing: 12H to 840H

Additional Specifications

Size Customization	Length Customization	Environmental Compliance
M0.6mm to M36mm	1mm to 600mm	Rohs, SCHV, MSDS, IMDS
Quality Testing	Screw Types	Transportation
Performance test reports Salt spray test reports Dimensional inspection reports PPAP, PSW documentation	Tapping, Machine, Wood, Drywall screws Torx, Hex cap, Hex socket head screws Set, Shoulder, Thumb, Binding screws Custom designs available	Fedex, DHL, UPS, or customer-specified
Packaging Options	Samples	Lead Time
Independent carton Self-sealing bag, Blister Vacuum packaging, Pallet	Free samples available, small batch trial orders accepted	Samples: 5-7 days Mass production: 15-25 days Negotiable timelines
Minimum Order Quantity	Stock products: 500pcs minimum Custom size/materials: 5000pcs minimum Negotiable quantities

Company Profile

Lock Technology (Shenzhen) Co., Ltd. is a leading manufacturer of fasteners and precision machined parts. Established in 2007 with our Shenzhen factory, we expanded globally in 2013 with an overseas sales company. Our commitment to quality and innovation ensures products that consistently exceed global standards.

Our products serve industries including automotive, electronics, electrical equipment, household appliances, communication devices, consumer electronics, optical systems, engineering, and medical equipment. Our 40,000 square meter facility in Shenzhen is equipped with over 1,000 state-of-the-art machines, supported by comprehensive inspection capabilities. With annual production exceeding $10 million, we supply markets across Europe, America, Africa, and Southeast Asia.

Frequently Asked Questions