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Screws › Button, Pan & Round-Head Screws

Various Useful Functions Grade 10.9 Round Head Hexagon Socket Screws ISO7380 Black

Updated 2026-11-04 · Markdown version

Model no. aisi b 18.2.1

US$0.036100–999 pieces

US$0.0241,000–9,999 pieces

US$0.01210,000+ pieces

MOQ 100 pieces · Final price confirmed in your quote

Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Grade: 10.9
Finish: Blue-White Zinc Plated
Surface Treatment: Plain/Black Oxide/Galvanized/HDG/Dacromet/Geomet.
Thread: Unc, Unf, Uef, Un, Uns
Surface Characteristic: Anti-Corrosion
Package Size: 25.00cm * 25.00cm * 16.00cm

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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

Model NO.	aisi b 18.2.1
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS, BSW, GOST
Grade	10.9
Application	Machinery, Chemical Industry, Environmental, Building
Finish	Blue-White Zinc Plated
Product Name	Heavy Hex Bolt
Surface Treatment	Plain/Black Oxide/Galvanized/HDG/Dacromet/Geomet.
Class	Class 4 8 10
Sample	Available
OEM	Acceptable
MOQ	One Piece
Delivery	Quick Delivery
Thread	Unc, Unf, Uef, Un, Uns
Application Industry	House Building ; Bridge Construction
Field of Employment	Ocean Engineering ; Petroleum ; Natural Gas
Surface Characteristic	Anti-Corrosion
Transport Package	Box Pallet
Specification	din931 din933 ASME B 18.2.1
Origin	China
HS Code	7318150000
Production Capacity	10000000pieces/Year
Package Size	25.00cm * 25.00cm * 16.00cm
Package Gross Weight	25.000kg
Customization	Available
Material	Carbon Steel
Type	Hexagon Head
Shipping Cost	Contact the supplier about freight and estimated delivery time.
All our processes strictly adhere to ISO9001	2008 procedures. We have strict quality control from producing to delivery.Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.
Standard parts	7-15days
Non-standard parts	15-25days
Category	Button, Pan & Round-Head Screws

Technical parameters

Material	1.StainlessSteel:SS201,SS303,SS304,SS316,SS410,SS4202.Steel:C45(K1045), C46(K1046),C203.Carbon Steel: 1010,1035,1045,C1006,C1008,C1010,C1018,C1022,C10B21,C10B33,C1035,C1045,C435#,40CrMo,42CrMo
Color	Silvery,black,plain,color zinc,etc
Grade	SAE J429 Gr.2, 5,8; ASTM A307Gr.A,A193 B7,B8,B8M,A194 2H, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9,sus304,sus316,sus201,sus410,A2-50,A2-70,A2-80,A4-70, etc.
Finish	Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc.
Thread	UNC,UNF,UEF,UN,UNS
Standard	ISO, DIN, ANSI, JIS, BS and Non-standard
Sample Service	Samples are all in free.
Certificate	ISO9001,CE, SGS, BV
Delivery time	1-30 days
Packing	Bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Payment terms	FOB, CIF, CFR, L/C, T/T, or others.
Inspection process	Incoming quality control →Process Quality Control →Final Quality Control → Pre-shipment Quality Control
Equipment	Hardness test, torque test, salt spray endurance test, mechanical sizes test,certification and etc as per your need.
Service	If you have any problems or services about our products pls let us know without any hesitation
Delivery method	by sea, by air or by express service
Application	Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc.

Description

Various Useful Functions Grade 10.9 Round Head Hexagon Socket Screws ISO7380 Black is part of our button, pan & round-head screws range (Screws).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Material: Carbon Steel
Grade: 10.9
Thread: Unc, Unf, Uef, Un, Uns
Head Style: Hexagonal
Surface Treatment: Plain/Black Oxide/Galvanized/HDG/Dacromet/Geomet.
Finish: Blue-White Zinc Plated

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.012 – 0.036 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 Various Useful Functions Grade 10.9 Round Head Hexagon Socket Screws ISO7380 Black?

The listed minimum order is 100 pieces, at US$0.012 – 0.036 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.036 for 100–999 pieces; US$0.024 for 1,000–9,999 pieces; US$0.012 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Various Useful Functions Grade 10.9 Round Head Hexagon Socket Screws ISO7380 Black?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Carbon Steel; Grade: 10.9; Thread: Unc, Unf, Uef, Un, Uns; Head Style: Hexagonal. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include head style, standard, grade, finish and surface treatment. 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 button, pan & round-head screws are available?

The Button, Pan & Round-Head Screws category lists 1,831 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/button-pan-round-head-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

More about us → · Request a sample or custom quote →

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US$0.012 – 0.036MOQ 100 piecesGet a quote WA