Super September 2021 selected products
Min. Order : 1000 Pieces

Double Head Stud DIN938

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Quick Details

Delivery time: 10-25 Days
Place of Origin: Jiangsu China
Size: M5-M64
Color: Black
Service: Custom Products
Grade: 4.8/6.8/8.8/10.9/12.9
Standard: DIN
Material: Steel
Model Number: zg-509
MOQ: 1000 Pcs
Brand Name: zhonggu
Packing: Cartons+plastic Bags
Length: 10-200mm
Finish: Black
Quality Control: Insepected
Kunshan Zhonggu Precision Hardware Co., Ltd.
Manufacturer, Trading Company
Response Time
On-time delivery rate
US$ 60,000+
R&D staffs
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product description

Our range of product:

BOLTS: hex bolts, heavy hex bolts, hex flange bolts, carriage bolts, wheel bolts, stud bolts, square head bolts, T bolts, eye bolts, U bolts, hook bolts

NUTS: hex nuts, heavy hex nuts, hex flange nuts, nylon insert lock nuts, cap nuts, slotted nuts, rivet nut

WASHERS: flat washers, spring washers, lock washers

SCREWS: machine screws, self tapping screws, set screws, hex socket head cap screws, wood

screws, self drilling screws

Productblack threaded rod DIN938
Specification M3-M64
MaterialCarbon steel4.8grade,8.8grade,10.9grade,12.9grade;   stainless steel202,304,316,316L;Brass

Productive Process

wire rod→Anneal→Acid cleaing→Draw wire→molding and rolling thread→Heat treatment→Surface treat →Packing

Surface treat

Plain,Black oxide,Blue white zinc,Yellow zinc,Hot dip  galvanized,Copper plating,Gold plating,Chromium Plating.

Quality ControlRaw material inspect→process monitoring→Product test→Packaging check
Certification        ISO9001:2008   CE cert    ROHs
Packagingproduct bulk in plastic bag→Carton box→Wood pallet
ApplicationWind tower,Nuclear power,Railway,Automotive industry,Construction,Electronic industry
Delivery time               3-30days
Payment TermsT⁄T30%deposit,the balance70%when we finish all of the goods;L⁄C at sight,Western Union
Product Display

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Main Products




Testing Laboratory


We have Magnetic Powder Detector, Material Testing Machine, Metallographic Microscope, such testing instruments, guarantee product high quality and beautiful appearance.The quality control is strictly performed from buying raw materials in warehouse to different machining procession and to final packing.

Production Process


First, we have our own High-precision Digital Machining center for mould making in special Mould Workshop, excellent mould make product beautiful appearance and its size accurately.

The second, we adopt blasting procession, removing Oxidation surface, make the surface to be bright and clean and uniform and beautiful.

Company Information