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Factory Direct Price Black Flat Head Hex Socket Screws
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Screws › Socket Head Cap & Allen Screws

Factory Direct Price Black Flat Head Hex Socket Screws

Updated 2026-11-04 · Markdown version

Model no. Black Flat Head Hex Socket Screws

US$0.06 – 0.12 / piece

MOQ 10,000 pieces · Final price confirmed in your quote

Material
Stainless Steel
Head Style
Hexagonal
Standard
DIN, GB, ANSI, BSW, JIS
Grade
8.8
Package Size
25.00cm * 15.00cm * 10.00cm
Diameter
1/4"-2 1/2",M2-M64
Length
≤800mm or 30"
Thread
M,UNC,UNF
Get a quote

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

CustomizationAvailable
MaterialStainless Steel
TypeHexagon Head
Model NO.Black Flat Head Hex Socket Screws
GrooveWord
ConnectionCommon Bolt
Head StyleHexagonal
StandardDIN, GB, ANSI, BSW, JIS
Grade8.8
SpecificationM3, M4, M6, M8-M20
OriginTianjin
HS Code7415290000
Production Capacity5000ton/Year
Package Size25.00cm * 15.00cm * 10.00cm
Package Gross Weight25.000kg
Diameter1/4"-2 1/2",M2-M64
Length≤800mm or 30"
ThreadM,UNC,UNF
FinishPlain,Black oxide, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome,PTFE,Dacromet,Geomet,Magni,Zinc Nickel,Zinteck.
Packingbulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
EquipmentsCaliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter,Spectrometer
Supply Ability1000 tons per month
MinimumOrderaccording to customer demand
Trade TermFOB/CIF/CFR/CNF/EXW/DDU/DDP
PaymentT/T, L/C, D/A , D/P ,West union,Paypal.etc
MarketEurope/South&north Amrica/East&South east Asia/Middle East/Australia and ect.
ProfessionalMore than 10 years experience in fasteners industry Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard.
Our advantageOne-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free
NoticePlease lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us
CategorySocket Head Cap & Allen Screws

Technical parameters

Thread Rods
Standard:ASME B18.3.1,DIN6912,DIN7984,DIN7991,DIN251,ISO 4762, ISO7380,ISO7379,ISO10642,ISO12474,ISO21269
Diameter:1/4"-2 1/2",M2-M64
Length:≤800mm or 30"
Material:Carbon Steel, Alloy Steel, Stainless Steel, Brass
Grade:SAE J429 Gr.2, 5,8; ASTM A307Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9;A2-70,A4-70,A4-80
Thread:M,UNC,UNF
Finish:Plain,Black oxide, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome,PTFE,Dacromet,Geomet,Magni,Zinc Nickel,Zinteck.
Packing:bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Application:Structural Steel; Metal Buliding; Oil&Gas;Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating
Equipments:Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter,Spectrometer
Supply Ability:1000 tons per month
MinimumOrder:according to customer demand
Trade Term:FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment:T/T, L/C, D/A , D/P ,West union,Paypal.etc
Market:Europe/South&north Amrica/East&South east Asia/Middle East/Australia and ect.
Professional:More than 10 years experience in fasteners industry Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard.
Our advantage:One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free
Notice:Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us

Description

Factory Direct Price Black Flat Head Hex Socket Screws is part of our socket head cap & allen screws range (Screws).

Key details

  • Type: Hexagon Head
  • Standard: DIN, GB, ANSI, BSW, JIS
  • Material: Stainless Steel
  • Grade: 8.8
  • Diameter: 1/4"-2 1/2",M2-M64
  • Thread: M,UNC,UNF
  • Length: ≤800mm or 30"
  • Head Style: Hexagonal

Available configurations include material, head style, standard, grade and package size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 10,000 pieces at US$0.06 – 0.12 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Factory Direct Price Black Flat Head Hex Socket Screws?

The listed minimum order is 10,000 pieces, at US$0.06 – 0.12 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Factory Direct Price Black Flat Head Hex Socket Screws?

Type: Hexagon Head; Standard: DIN, GB, ANSI, BSW, JIS; Material: Stainless Steel; Grade: 8.8; Diameter: 1/4"-2 1/2",M2-M64; Thread: M,UNC,UNF. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and package size. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other socket head cap & allen screws are available?

The Socket Head Cap & Allen Screws category lists 2,042 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

  • DIN, ISO, ASTM, ANSI, JIS and GB standard parts
  • Non-standard parts made to your drawing
  • Dimensions, thread gauges and plating checked before packing
  • Export cartons and pallets, consolidated mixed orders
  • Samples available for approval before mass production
Production floor
Production floor
Inspection bench
Inspection bench
Sorting & packing
Sorting & packing
Parts warehouse
Parts warehouse
Sample review
Sample review
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Sales office

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US$0.06 – 0.12MOQ 10,000 piecesGet a quote