JJ Fastener
PRODUCTCross Recessed Raised Countersunk Tapping Screw DIN 7983 C1018 Carbon Steel and 304 Stainless Steel Fastener for Furniture Plastic and Sheet Metal
Standard:DIN 7983
Material Options:Carbon Steel / Stainless Steel
DIRECT MILL FASTENER CATALOGUE
Socket Head, Machine & Self-Tapping Screws Manufacturer
JJ Fastener manufactures and supplies complete industrial precision fastening systems — high-tensile structural bolts, hex nuts, machine screws, double-end studs, threaded rods, and foundation anchor bolts. Trusted across civil steel construction, automotive assembly, rail transit, offshore wind farms, and heavy industrial equipment.
MOQ and lead time vary by product and specification. Contact us for your exact requirement.
120,000 MTAnnual Capacity
350+Standards
15 DaysGlobal Dispatch
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5 CategoriesSHOWING 15 VERIFIED FASTENER SERIES|Direct Mill Stock
< 15 PPM Optical Sorting GuaranteePRODUCTJJ Fastener
PRODUCTCross Recessed Countersunk Head Tapping Screw DIN 7982 C1018 Carbon Steel and Stainless Steel 304 Fastener for Furniture Sheet Metal and Flush Assembly
Standard:DIN 7982
Material Options:Carbon Steel / Stainless Steel
JJ Fastener
PRODUCTCross Recessed Pan Head Tapping Screw DIN 7981 C1018 Carbon Steel and 304 Stainless Steel Fastener for Wood Furniture Plastic Parts and Sheet Metal
Standard:DIN 7981
Material :C1018 Carbon Steel / 304 Stainless Steel
JJ Fastener
PRODUCTCross Recessed Pan Head Machine Screw DIN 7985 Carbon Steel and Stainless Steel Fastener for Electrical Equipment and General Assembly
Standard:DIN 7985 / ISO 7045
Material:Carbon steel / stainless steel
Steel Option:4.8 / 8.8
JJ Fastener
PRODUCTHex Socket Countersunk Head Cap Screw DIN 7991 Alloy Steel and Stainless Steel Fastener for Flush Surface Machinery Assembly
Standard:DIN 7991
Material Options:Alloy Steel / Stainless Steel
Strength Grade:Available upon request
JJ Fastener
PRODUCTHex Socket Head Cap Screw DIN 912 Alloy Steel 8.8 and 12.9 or Stainless Steel 304 and 316 Fastener for Machinery and Mold Assembly
Strength Grade:8.8/12.9
Standard:DIN 912
Material:Alloy Steel Grade / Stainless Steel
What Are Screws?
Screws are threaded fasteners driven into a tapped hole, a pilot hole or sheet metal, usually with a screwdriver or hex key. This range covers DIN 912 socket head cap screws, DIN 7985 machine screws and DIN 7504 self-drilling screws in carbon and stainless steel, supplied in bulk for enclosures, panels and precision assemblies.
OEM / ODM DRAWING-TO-PART ENGINEERING
24H DFM FEASIBILITY · LIVE WORKSTATION
Can't find the exact fastener you need?
Send your drawing or sample for custom manufacturing.
We support precision non-standard cold heading, secondary 5-axis CNC machining, customized head stampings, specialized dual threads, and bespoke anti-corrosion platings. Our senior metallurgical engineers conduct Design for Manufacturability (DFM) reviews and return formal quotations within 24 hours.
Fast Tooling3–5 DaysRapid Prototyping
DFM FeedbackWithin 24hFeasibility Study
CAD SupportSTEP / DWG2D/3D Formats
Quality LevelPPAP Level 3CMM & MTR 3.1
lockStrict Mutual NDA Protected
verified PPAP Level 3 Ready
Non-Standard Fasteners100% Optical CMM
Direct metallurgical analysis and stress simulation for extreme duty applications.
MANUFACTURING SPECIFICATIONS
Bulk Fastener Standards & Manufacturing Capabilities
Rigorous quality control systems backed by in-house spark spectrometry, proof-load tensile testers, and 100% optical camera sorting.
verified100% In-Line Optical Inspection (< 15 PPM)
gavel
Core Normative Standards
Full compliance with world industrial standards across dimensional tolerances and thread geometries.
DINISOASTMANSIBS / ENGB
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Prime Raw Materials
Sourced directly from Baosteel & Xingtai Steel with certified spark spectrometer batch heat numbers.
Carbon Steel:Q235, 35K, 45#
Alloy Steel:40Cr, 35CrMo, SCM435
Stainless Steel:AISI 304, 316 (A2/A4)
shield
Anti-Corrosion Finishes
Engineered to withstand heavy cyclic marine humidity and harsh industrial chemical exposures.
Zinc Plating:Cr3+ Clear / Yellow
HDG Galvanized:ASTM A153 1000h+
Dacromet / Geomet:1500h Salt Spray
local_shipping
Supply & Delivery
Dual supply model offering immediate container stock dispatch alongside turnkey OEM tooling fabrication.
Standard Stock:50,000+ SKUs (15d Lead)
Custom Tooling:Samples in 3–5 Days
Export Logistics:FOB, CIF, CFR, DDP
DIRECT MILL EXPORT INQUIRY
Buying in Bulk? Get an Instant Fastener Quote
Submit your required specifications or drawings. Our technical sales engineers respond with competitive tiered pricing within 2 hours.
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