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Fastener Sets & Assemblies › Assortment Kits & Mixed Fastener Sets

Stainless Steel Hex Socket Cheese Head Captive Sems Screw Flat Combination Machine Bolt with Washer

Updated 2026-11-04 · Markdown version

Model no. DIN912-SOCKET-CAP-SCREW-WASHER-ASSEMBLY

US$0.012 – 0.12 / piece

MOQ 500 pieces · Final price confirmed in your quote

Material: Titanium/Titanium Alloy
Head Style: Flange Head with Hollow Hole
Standard: DIN, ANSI, GB, JIS, Bsw, GOST, etc.
Grade: A2-70,A4-70,A4-80 A193 B8 B8m
Finish: Plain Passivated
Non-Standards: OEM Is Available, According to Drawing or Samples
Surface Treatment: Plain Finish
Diameter: 1/4"-2 1/2",M4-M64

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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

Customization	Available
Material	Titanium/Titanium Alloy
Type	Hexagon Socket Head
Model NO.	DIN912-SOCKET-CAP-SCREW-WASHER-ASSEMBLY
Connection	Common Bolt
Head Style	Flange Head with Hollow Hole
Standard	DIN, ANSI, GB, JIS, Bsw, GOST, etc.
Grade	A2-70,A4-70,A4-80 A193 B8 B8m
Application	Steel Structure, Wind Power, Engineering Machinery
Finish	Plain Passivated
Minimumorder (MOQ)	According to Customer Demand
Non-Standards	OEM Is Available, According to Drawing or Samples
Surface Treatment	Plain Finish
Attached Washer	Pre-Assembled Plain Washer + Spring Washer
Transport Package	Foam Bags / Cartons / Wooden Cases
Specification	1/4"-2 1/2", M4-M64
Origin	China
Diameter	1/4"-2 1/2",M4-M64
Length	≤800mm or 30"
Thread	M,UNC,UNF
Packing	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
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
Supply Ability	1000 tons per month
Our productrange includes	Screws&Bolts,Nuts,Washers,CNC Turned Parts
We work with various materials such as	304/316 Stainless Steel,Carbon Steel,High-Strength Alloy Steel,Aluminum, Copper, and Titanium
Category	Assortment Kits & Mixed Fastener Sets

Technical parameters

Standard:	ASME/ANSI B 18.2.1,IFI149,DIN931,DIN933,DIN558, DIN601,DIN960, DIN961, ISO4014,ISO4017
Diameter:	1/4"-2 1/2",M4-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
Supply Ability:	1000 tons per month

Description

Stainless Steel Hex Socket Cheese Head Captive Sems Screw Flat Combination Machine Bolt with Washer is part of our assortment kits & mixed fastener sets range (Fastener Sets & Assemblies).

Key details

Type: Hexagon Socket Head
Standard: DIN, ANSI, GB, JIS, Bsw, GOST, etc.
Material: Titanium/Titanium Alloy
Grade: A2-70,A4-70,A4-80 A193 B8 B8m
Diameter: 1/4"-2 1/2",M4-M64
Thread: M,UNC,UNF
Length: ≤800mm or 30"
Head Style: Flange Head with Hollow Hole

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 500 pieces at US$0.012 – 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 Stainless Steel Hex Socket Cheese Head Captive Sems Screw Flat Combination Machine Bolt with Washer?

The listed minimum order is 500 pieces, at US$0.012 – 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 Stainless Steel Hex Socket Cheese Head Captive Sems Screw Flat Combination Machine Bolt with Washer?

Type: Hexagon Socket Head; Standard: DIN, ANSI, GB, JIS, Bsw, GOST, etc.; Material: Titanium/Titanium Alloy; Grade: A2-70,A4-70,A4-80 A193 B8 B8m; Diameter: 1/4"-2 1/2",M4-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 finish. 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 assortment kits & mixed fastener sets are available?

The Assortment Kits & Mixed Fastener Sets category lists 3,161 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/

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

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US$0.012 – 0.12MOQ 500 piecesGet a quote WA