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Nuts › Nylon-Insert & All-Metal Lock Nuts

DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts

Updated 2026-11-04 · Markdown version

Model no. DIN981

US$816.00 – 1,440 / ton

MOQ 1 ton · Final price confirmed in your quote

Material: Carbon Steel and Stainless Steel
Head Style: Round
Standard: DIN, ANSI, GB, JIS, BSW, ASME
Grade: 4.8
Finish: Zp/Yzp/HDG/Black/Geomet/Dacromet
Thread: Coarse/ Fine
SIZE: M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 M72 M76 M80 M90 M100
SIZE: 1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4"

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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 and Stainless Steel
Type	Nut
Model NO.	DIN981
Connection	Common Bolt
Head Style	Round
Standard	DIN, ANSI, GB, JIS, BSW, ASME
Grade	4.8
Finish	Zp/Yzp/HDG/Black/Geomet/Dacromet
Thread	Coarse/ Fine
Transport Package	We Can Follow Customer's Request
Specification	M3-M100 1/8''-4''
Origin	Handan City
HS Code	731816
Production Capacity	50000000
ITEM NAME	Round Nut
SIZE	M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 M72 M76 M80 M90 M100
SIZE	1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4"
FINISH	PLAIN, ZP, YZP, HDG, Dacromet, Black Oxide ,Cr3+ , Mechanical Galvanizing,
Core Products	- Nuts and bolts of various specifications
Our products adhere to international standards, including	- DIN(German Standard)
PACKAGE	25kgs Box with Pallet, 25kgs woven bags, 25 kgs Gunny bags , or we can follow customer's request
Category	Nylon-Insert & All-Metal Lock Nuts

Technical parameters

ITEM NAME:	Round Nut
MATERIAL:	Carbon steel SAE1008 / C1010 / C1020 / 10B21 / 20MnTib / 40Cr / 35Croma / Q355 etc.
STANDARD:	GB / DIN / ASME/ANSI / BSW
GRADE:	Gr4 / Gr6 / Gr8 / Gr10 / Gr12 / Class2 / Class5 / Class8 / 2H Heavy Nut
SIZE :	M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 M72 M76 M80 M90 M100
SIZE:	1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4"
FINISH :	PLAIN, ZP, YZP, HDG, Dacromet, Black Oxide ,Cr3+ , Mechanical Galvanizing,

Description

DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts is part of our nylon-insert & all-metal lock nuts range (Nuts).

Key details

Type: Nut
Standard: DIN, ANSI, GB, JIS, BSW, ASME
Material: Carbon Steel and Stainless Steel
Grade: 4.8
SIZE: 1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4"
Thread: Coarse/ Fine
Head Style: Round
Finish: Zp/Yzp/HDG/Black/Geomet/Dacromet

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 1 ton at US$816.00 – 1,440 per ton. 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 DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts?

The listed minimum order is 1 ton, at US$816.00 – 1,440 per ton. 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 DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts?

Type: Nut; Standard: DIN, ANSI, GB, JIS, BSW, ASME; Material: Carbon Steel and Stainless Steel; Grade: 4.8; SIZE: 1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4"; Thread: Coarse/ Fine. 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 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

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US$816.00 – 1,440MOQ 1 tonGet a quote WA