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Carbon Steel Fasteners Hex Head Bolts High Tensile Strength Black Surface

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Carbon Steel Fasteners Hex Head Bolts High Tensile Strength Black Surface

Brand Name : HNF
Model Number : DIN931
Certification : ISO 9001
Place of Origin : China
MOQ : 1000kg
Price : Negotiation
Payment Terms : L/C, T/T, Western Union
Supply Ability : 500 TON PER MONTH
Delivery Time : 5-15 DAYS
Packaging Details : carton box + exporting wooden pallet
Diameter (mm) : M3M52
Length (mm) : 30mm-500mm
Tensile strength : 830~1030 MPa/1040~1240 MPa
Surface : Black
Torque Coefficient : 0.110~0.150
Head Style : Hexagonal
Quality : Low Strength, High Strength, A325, A307
Specifications : DIN933/DIN931/ANSI B18.2.1
HS Code : 731815
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Tensile Strength Of Carbon Steel Bolts Hex Head Partially Threaded M3 - M56

1. Product Description

That hex bolt hexagon head bolts (threaded portion) -C grade and hex head bolt (full thread) -C grade,, aka hex head bolt (crude) Gross hex head bolts, black iron screws.
Common criteria can be found in: SH3404, HG20613, HG20634 etc.

Hex bolts, commonly called hex head cap screws, are bolts with a hexagonal or six sided head. A hex cap screw is actually manufactured with tighter tolerances and can be used anywhere a hex bolt is used. A common feature on a hex cap screw is a washer surface directly under the head which creates a better seal.
Carbon Steels and Stainless Steels Hex Bolts
Standard ANSI B18.2. 1 or DIN933/931/558/601
Customized specifications negotiable
Surface can be PL, ZP, BZP, YZP, HGD, nickle
Full threaded or partially threaded hex bolt
1. Standard: DIN933/DIN931/ANSI B18.2. 1/A307
2. Metric and Inch Series hex bolts
Size- D: M4 to M48, L: 10 to 1000mm
Inch-D: 3/8" to 2 inch, L: 1/2 to 5 inch
For more standard specifications please check on hexbolts. cn
3. Material- Carbon Steel, Stainless Steel, Brass
4. Surface- Plain, black, zinc, hot dipper, chrome, brass
5. Brand Factory or OEM

2. Specification

Product NameM3-M56 DIN933 DIN931 Carbon Steels and Stainless Steels Partially Threaded Hex Bolt
Process Methodcold forging & hot forging
SizeDiameter M12-M52 , length 40mm-500mm
Grade4.8, 8.8S,10.9S,12.9S
Size Tolerance+/- 2.5%~-2.5%
WT Tolerance+/- 2.5%~2.5%
Tensile Strength830~1030 MPa/1040~1240 MPa
PackagingCarton box + wooden pallet or tin containers + wooden pallet or as customer's request
Material chemical




Capacity600 tons/month
Delivery termsFOB / CIF / CFR / DAP or discuss with us for other terms
Delivery Time15-30 days after deposit received or L/C received in our bank

3. Application

Most Common Type of Hex Bolt. Available in Grade 2, Grade 5, Grade 8 & Stainless Steel. Partially Threaded in Most Cases.Cars, machinery, electronic products, furniture products, musical parts, computers, power switches, miniature switches, hardware and plastic molds, sports equipment and so on
Hex screws, standard parts, fasteners widely used in various mechanical equipment, electronic products, communications equipment, furniture and equipment, construction and other sectors of production, installation and maintenance.Roads, bridges, tunnels, urban railway systems, high speed railways, watercrafts, thermal power, wind power, nuclear power, transmission and distribution, mechanical equipment, petrochemical, aerospace, steel roof constructions and so on.

4. Advantages

We guarantee 24 hours response and 48 hours solution providing service.
We accept small order quantity before formal cooperation.

We can provide factory price with trading company services.
We control production quality very strictly to keep none compensation.
We have strict quality control from producing to delivery. Our company had strong technology support, 80% of our colleagues are master or bachelor's degree. We have cultivated a group of managers who are familiar with product quality , good at modern concept of management .

Primary Competitive Advantages:

  • Service
  • Small Orders Accepted
  • Distributorships Offered
  • Electronic Link
  • Experienced Staff
  • Form A
  • Green Product
  • Guarantee/Warranty
  • International Approvals
  • Military Specifications
  • Packaging
  • Price
  • Product Features
  • Product Performance
  • Prompt Delivery
  • Country of Origin
5. More pictures

Product Tags:

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Carbon Steel Fasteners Hex Head Bolts High Tensile Strength Black Surface Images

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