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DIN571 Self Tapping Galvanized Hex Lag Bolt Popular Carbon Steel Metric System Hex Head Screw

Updated 2026-11-04 · Markdown version

Model no. MLD-02

US$0.0241,000–9,999 pieces

US$0.01810,000–19,999 pieces

US$0.01220,000+ pieces

MOQ 1,000 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Hex
Standard: DIN, GB, ANSI, JIS, GOST
Grade: 4.8
Package Size: 10.00cm * 10.00cm * 5.00cm
Metal Rockwell hardness test - Part 1: Test methods (A, B, C, D, E, F, G, H, K, N, T standard R)GB/T 230.1-2009
Vickers hardness test for metals - Part 1: Test method GB/T4340.1-2009

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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	Carbon Steel
Type	Hexagon Head
Model NO.	MLD-02
Groove	Hexagon
Connection	Common Bolt
Head Style	Hex
Standard	DIN, GB, ANSI, JIS, GOST
Grade	4.8
Transport Package	Carton+Pallet
Specification	ST5-ST16, support customized size
Origin	Zhejiang, China
HS Code	7318151001
Production Capacity	500000/Month
Package Size	10.00cm * 10.00cm * 5.00cm
Package Gross Weight	3.000kg
Mechanical properties of fasteners	Nut GB/T 3098.2-2015
Metal Rockwell hardness test - Part 1	Test methods (A, B, C, D, E, F, G, H, K, N, T standard R)GB/T 230.1-2009
Vickers hardness test for metals - Part 1	Test method GB/T4340.1-2009
Fastener machine inspection performance	Torque test and breaking torque of bolts and screws, nominal diameter 1-10mm, GB/T 3098.13-1996
Category	Wood, Deck & Lag Screws

Technical parameters

Name	Factory direct sale of carbon steel galvanized DIN571 hexagonal head wood screws
Place of Origin	Wenzhou, Zhejiang, China
Size	ST5ST6ST6-2.5ST7ST8ST10ST12ST16
Finish	electric galvanized
Head Type	HEX head
Material	Carbon steel(Q235, 10B21,35K) Stainless steel (304, 316)
Grade	4.8 5.8 8.8 10.9
Standard	DIN 571,etc
Non-standards	OEM is available, according to drawing or physical samples
Samples	Samples are free and shipping cost by your side
Package	Bulk in master cartons, then on pallets, or according to customers' requirement.
Payment	T/T, L/C

NO.	Experimental project	Testing standards (Methods)	Explanation
1	Chemical composition analysis	Determination of multi-element content in Carbon Steel, medium and low carbon steel and medium and low alloy steel by Spark Discharge Atomic Emission Spectrometry (Conventional Method)GB/T 4336-2016	Testing items for metal materials and their products
2	Decarbonization test	Determination Method of Decarburization Layer Depth of Steel GB/T 224-2008	Testing items for metal materials and their products
3	Organization rating	Grading Diagrams and Evaluation Methods for Metallographic Structures of Steel Die Forgings GBTT13320-2007	Testing items for metal materials and their products
4	Tensile strength	Metallic materials - Tensile testing - Part 1- Test methods at room temperature GB/T 228.1-2010	Testing items for metal materials and their products
5	Yield strength	Metallic materials - Tensile testing - Part 1- Test methods at room temperature GB/T 228.1-2010	Testing items for metal materials and their products
6	Elongation after fracture	Metallic materials - Tensile testing - Part 1- Test methods at room temperature GB/T 228.1-2010	Testing items for metal materials and their products
7	Reduction of area	Metallic materials - Tensile testing - Part 1- Test methods at room temperature GB/T 228.1-2010	Testing items for metal materials and their products
8	Guarantee the load	Mechanical properties of fasteners: Nut GB/T 3098.2-2015	Testing items for metal materials and their products
9	Wedge load	Mechanical properties of fasteners - bolts, screws and studs - GB/T 3098.1-2010	Testing items for metal materials and their products
10	Luo's hard crossing	Metal Rockwell hardness test - Part 1: Test methods (A, B, C, D, E, F, G, H, K, N, T standard R)GB/T 230.1-2009	Testing items for metal materials and their products
11	Vickers hardness	Vickers hardness test for metals - Part 1: Test method GB/T4340.1-2009	Testing items for metal materials and their products
12	Destructive torque	Fastener machine inspection performance: Torque test and breaking torque of bolts and screws, nominal diameter 1-10mm, GB/T 3098.13-1996	Bolt/self-tapping screw
13	Salt spray test	Artificial atmosphere corrosion test - salt spray test GB/T10125-2012	Testing items for metal materials and their products
14	Coating thickness measurement	Method for measuring the Thickness of Metal Coatings by X-ray Spectroscopy GB/T16921-2005	Testing items for metal materials and their products
15	Depth of carburized layer	Mechanical properties of fasteners - Self-tapping screws GB/T 3098.5-2016	Self-tapping screw
16	Determination of the coefficient of friction	Torque clamping force test for tight round parts ISO 16047-2005	Bolt/Nut

Description

DIN571 Self Tapping Galvanized Hex Lag Bolt Popular Carbon Steel Metric System Hex Head Screw is part of our wood, deck & lag screws range (Screws).

Key details

Type: Hexagon Head
Standard: DIN, GB, ANSI, JIS, GOST
Material: Carbon Steel
Grade: 4.8
Head Style: Hex
Groove: Hexagon
Connection: Common Bolt
Mechanical properties of fasteners: Nut GB/T 3098.2-2015

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 1,000 pieces at US$0.012 – 0.024 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 DIN571 Self Tapping Galvanized Hex Lag Bolt Popular Carbon Steel Metric System Hex Head Screw?

The listed minimum order is 1,000 pieces, at US$0.012 – 0.024 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$0.024 for 1,000–9,999 pieces; US$0.018 for 10,000–19,999 pieces; US$0.012 for 20,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of DIN571 Self Tapping Galvanized Hex Lag Bolt Popular Carbon Steel Metric System Hex Head Screw?

Type: Hexagon Head; Standard: DIN, GB, ANSI, JIS, GOST; Material: Carbon Steel; Grade: 4.8; Head Style: Hex; Groove: Hexagon. 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 wood, deck & lag screws are available?

The Wood, Deck & Lag Screws category lists 1,856 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/wood-deck-lag-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

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US$0.012 – 0.024MOQ 1,000 piecesGet a quote WA