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Nuts › Nylon-Insert & All-Metal Lock Nuts

Bearing Lock Nut / Km Nut / DIN981 /Round Nut

Q: What is the minimum order quantity (MOQ) for Bearing Lock Nut / Km Nut / DIN981 /Round Nut?

The listed minimum order is 10,000 pieces, at US$0.012 – 0.084 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

Q: How does the price change with quantity?

Volume pricing: US$0.084 for 10,000–49,999 pieces; US$0.06 for 50,000–99,999 pieces; US$0.012 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

Q: What are the main specifications of Bearing Lock Nut / Km Nut / DIN981 /Round Nut?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW; Material: Carbon Steel, Stainless Steel, Alloy Steel; Grade: 4,6,8,10,12; Size: M3-M100; Head Style: Hexagonal. The full specification table and any technical parameter tables are listed on this page.

Q: Can this product be customized (OEM)?

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

Q: 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.

Q: 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/

Updated 2026-11-04 · Markdown version

Model no. Bearing Nut

US$0.08410,000–49,999 pieces

US$0.0650,000–99,999 pieces

US$0.012100,000+ pieces

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

Material: Carbon Steel, Stainless Steel, Alloy Steel
Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS, BSW
Grade: 4,6,8,10,12
Head Mark: Customized
Thread Length: Lnternal Threads
Size: M3-M100
Package Size: 23.00cm * 11.00cm * 6.00cm

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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

Customization	Available
Material	Carbon Steel, Stainless Steel, Alloy Steel
Type	Hexagon Head
Model NO.	Bearing Nut
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS, BSW
Grade	4,6,8,10,12
Delivery	5-10 Days in Stock, 10-30 Days Not in Stock
Head Mark	Customized
Thread Length	Lnternal Threads
Size	M3-M100
Transport Package	Plastic Bags+Cartons+Pallets
Specification	as Request
Origin	Hebei, China
HS Code	731816
Production Capacity	50 Million Tons/Month
Package Size	23.00cm * 11.00cm * 6.00cm
Package Gross Weight	25.000kg
Mechanical Rotation Systems	Lock bearings on motor shafts, pump spindles, and gearbox shafts to ensure stable rotation.
Automotive Drivetrains	Secure wheel hub bearings and transmission bearings, withstanding vibration and axial forces during driving.
Machine Tools	Fix spindle bearings in lathes or milling machines, critical for maintaining machining precision.
Agricultural/Heavy Equipment	Fasten bearings in tractor axles or conveyor rollers, enduring harsh working conditions.
Longshi Advantage	8-dimensional customization (material, specification, surface treatment, etc.), with 3D design drawings + process plans.
Stockout rate <0.1% (peers	10+%), with real-time inventory monitoring. For extreme stockouts, free upgraded alternatives are provided (peers often leave clients waiting indefinitely).
Category	Nylon-Insert & All-Metal Lock Nuts

Technical parameters

d
nominal size	2.204	2.407	2.626	4.778	5.185	5.622	6.097
code	RN 10	RN 11	RN 12	ANR 22	ANR 24	ANR 26	RN 28
k1	18	18	18	12	12	12	8
C	Maximum value (inches)		3.062	3.281	3.5	6.312	3.938	7.312	7.938
E	Maximum value (inches)		2.562	2.812	3.062	5.375	5.625	6.062	6.563
D	Maximum value (inches)		0.594	0.594	0.656	0.781	0.844	0.906	0.969
G	Minimum value (inches)		0.24	0.24	0.24	0.61	0.61	0.61	0.61
H	Maximum value (inches)		0.135	0.135	0.135	0.26	0.291	0.291	0.291
D1	Maximum value (inches)		0.078	0.078	0.078	0.141	0.141	0.141	0.141
C	Maximum value (mm)		77.77	83.34	88.9	160.32	176.23	185.72	201.63
E	Maximum value (mm)		65.07	71.42	77.77	136.53	142.88	153.97	166.7
D	Maximum value (mm)		15.09	15.09	16.66	19.84	21.44	23.01	24.61
G	Maximum value (mm)		6.1	6.1	6.1	15.49	15.49	15.49	15.49
H	Maximum value (mm)		3.43	3.43	3.43	6.6	7.39	7.39	7.39
D1	Minimum value (mm)		1.98	1.98	1.98	3.58	3.58	3.58	3.58

Description

Bearing Lock Nut / Km Nut / DIN981 /Round Nut is part of our nylon-insert & all-metal lock nuts range (Nuts).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS, BSW
Material: Carbon Steel, Stainless Steel, Alloy Steel
Grade: 4,6,8,10,12
Size: M3-M100
Head Style: Hexagonal
Connection: Common Bolt
Head Mark: Customized

Available configurations include material, head style, standard, grade and head mark. 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 – 0.084 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 Bearing Lock Nut / Km Nut / DIN981 /Round Nut?

The listed minimum order is 10,000 pieces, at US$0.012 – 0.084 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$0.084 for 10,000–49,999 pieces; US$0.06 for 50,000–99,999 pieces; US$0.012 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Bearing Lock Nut / Km Nut / DIN981 /Round Nut?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW; Material: Carbon Steel, Stainless Steel, Alloy Steel; Grade: 4,6,8,10,12; Size: M3-M100; 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 material, head style, standard, grade and head mark. 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 →

Request a quote for this product

US$0.012 – 0.084MOQ 10,000 piecesGet a quote WA