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Nuts › Nylon-Insert & All-Metal Lock Nuts

High Quality Metal Insert Lock Nut All Grades Fastener

Updated 2026-11-04 · Markdown version

Model no. HysLMW009

US$0.012 – 0.12 / piece

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

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS, GOST, BSW
Grade: Custom Grade 3.6-12.9
Customized: Yes
Material Grade: Carbon Steel (3.6-12.9)
Surface Treatment: Zinc Plated (Blue/White/Yellow), Hot-DIP Galvanize
Tolerance Grade: ISO Standard,6h/6g Thread, Radial Runout ≤0.1mm

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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.	HysLMW009
Connection	Threaded Connection
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS, GOST, BSW
Grade	Custom Grade 3.6-12.9
Customized	Yes
Drawing	Yes
Application	Machinery Assembly, Automotive Parts
Process	Cold Forg/CNC Machining,Thread Rolling,Treatment
Product Type	Carbon Steel Hex Nylon Lock Nut / DIN 985
Service	We Support OEM and ODM
Material Grade	Carbon Steel (3.6-12.9)
Surface Treatment	Zinc Plated (Blue/White/Yellow), Hot-DIP Galvanize
Key Features	Carbon Steel Construction with High Strength
Tolerance Grade	ISO Standard,6h/6g Thread, Radial Runout ≤0.1mm
Quality Control	100% Thread Inspection, Dimensional Testing
Transport Package	Polybag+Export Strong Carton
Specification	Custom M3-M36 (Standard DIN985/ISO7040, UNC/UN)
Origin	China
HS Code	7318160000
Production Capacity	100ton/Month
Package Size	30.00cm * 20.00cm * 20.00cm
Package Gross Weight	0.500kg
Inner	Polybag / plastic bag; Outer: Export-grade corrugated carton
Non-standard parts	15-25days
Category	Nylon-Insert & All-Metal Lock Nuts

Technical parameters

	Screw Thread / d	M3	M4	M5	M6	M8	M10	M12	(M14)	M16	M20	M24	M30	M36
P	Pitch		0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	3	3.5	4
e	min		6.01	7.66	8.79	11.05	14.38	17.77	20.03	23.36	26.75	32.95	39.55	50.85	60.79
h	max		4.5	6	6.8	8	9.5	11.9	14.9	17	19.1	22.8	27.1	32.6	38.9
	min		4.02	5.52	6.22	7.42	8.92	11.2	14.2	15.9	17.8	20.7	25	30.1	36.4
m	min		2.15	2.9	4.4	4.9	6.44	8.04	10.37	12.1	14.1	16.9	20.2	24.3	29.4
s	max		5.5	7	8	10	13	16	18	21	24	30	36	46	55
	min		5.32	6.78	7.78	9.78	12.73	15.73	17.73	20.67	23.67	29.16	35	45	53.8

Item	Details
Product Name	Carbon Steel Hexagon Nylon Lock Nut / DIN 985 Prevailing Torque Nut
Material	Carbon Steel
Applicable Standards	DIN 985, ISO 7040, ANSI, GB, JIS, GOST, BSW
Performance Grade	Custom Grade 3.6 / 4.8 / 5.6 / 6.8 / 8.8 / 9.8 / 10.9 / 12.9
Thread Specification	Metric Coarse / Fine Thread; ISO 6H/6G Thread Tolerance
Size Range	Custom M3 - M36 (Standard DIN 985 / ISO 7040)
Surface Treatment	Zinc Plated (Blue/White/Yellow), Hot-Dip Galvanized, Black Oxide, Natural Color
Head Form	Hexagonal with integrated nylon insert, chamfered ends for easy tool engagement
Connection Method	Threaded Connection, designed for secure fastening with bolts and studs
Manufacturing Process	Cold Forging / CNC Machining, Thread Rolling, Heat Treatment, Nylon Insert Assembly, Surface Treatment
Key Features	Carbon steel construction with high strength and durability; Prevailing torque nylon insert for reliable anti-loosening performance under vibration and shock; DIN 985 compliant dimensions; High-precision thread for smooth assembly; Uniform locking torque across all sizes
Dimensional Tolerance	ISO standard compliance; Radial runout ≤ 0.1mm; Nylon insert concentricity controlled within tight tolerances
Application Scenarios	Machinery assembly, automotive parts, industrial equipment, construction projects, vibration-prone systems, and general engineering applications requiring anti-loosening fasteners
Customization Service	OEM/ODM support; Custom sizes, thread forms, grades, and surface finishes available to meet specific project requirements
Drawing Support	Yes, we can provide technical drawings or develop products based on customer specifications and samples
Quality Control	100% thread pitch and go/no-go gauge inspection; full dimensional verification; prevailing torque testing; hardness testing; visual inspection for surface defects; ISO 9001 certified quality management system
MOQ	5,000 pieces; small trial orders negotiable for standard sizes
Packaging	Inner: Polybag / plastic bag; Outer: Export-grade corrugated carton
Country of Origin	China
Annual Production Capacity	30,000,000 pieces

Description

High Quality Metal Insert Lock Nut All Grades Fastener is part of our nylon-insert & all-metal lock nuts range (Nuts).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS, GOST, BSW
Material: Carbon Steel
Grade: Custom Grade 3.6-12.9
Head Style: Hexagonal
Surface Treatment: Zinc Plated (Blue/White/Yellow), Hot-DIP Galvanize
Connection: Threaded Connection
Application: Machinery Assembly, Automotive Parts

Available configurations include material, head style, standard, grade and customized. 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$0.012 – 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 High Quality Metal Insert Lock Nut All Grades Fastener?

The listed minimum order is 10,000 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 High Quality Metal Insert Lock Nut All Grades Fastener?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel; Grade: Custom Grade 3.6-12.9; Head Style: Hexagonal; Surface Treatment: Zinc Plated (Blue/White/Yellow), Hot-DIP Galvanize. 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 customized. 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 nylon-insert & all-metal lock nuts are available?

The Nylon-Insert & All-Metal Lock Nuts category lists 2,493 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/

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 – 0.12MOQ 10,000 piecesGet a quote WA