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Threaded Inserts & Clinch Fasteners › Thread Repair & Solid Threaded Inserts

Light Weight Customized Multiple Sizes Stainless Steel Key Locking Insert/Sleeve/Pin/Screw/Nut

Updated 2026-11-04 · Markdown version

Model no. M2*0.4-L3-M4*0.7

US$0.98100–999 pieces

US$0.0121,000+ pieces

MOQ 100 pieces · Final price confirmed in your quote

Material: Stainless Steel, 303 304stainless Steel
Model Number: M2*0.4-L3-M4*0.7
Thread Inserts Type: Pin Nut
Customized Support: ODM
Inner Diameter: M2
Inner Tooth Pitch: 0.4
Length: 3
Outer Diameter: M4.5

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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
Type	Self Tapping Thread Insert
Material	Stainless Steel, 303 304stainless Steel
Model NO.	M20.4-L3-M40.7
Type of The Product	Pin Nut
Place of Origin	Henan, China
Model Number	M20.4-L3-M40.7
Thread Inserts Type	Pin Nut
Customized Support	ODM
Product Name	Self Tapping Thread Insert
Inner Diameter	M2
Product Specification	M20.4-L3-M40.7
Inner Tooth Pitch	0.4
Length	3
Outer Diameter	M4.5
External Tooth Spacing	0.7
Kind	Light Weight
Transport Package	PE Bag + Carton + Box
Specification	23X15X3 cm
Origin	Henan, China
HS Code	7318140000
Package Size	25.00cm * 15.00cm * 3.00cm
Package Gross Weight	1.087kg
Category	Thread Repair & Solid Threaded Inserts

Technical parameters

Specification	Inner diameter B	internal tooth spacing	Length L	Outer diameter A	External tooth distance P	Installation bottom hole	Drilling depth
M20.4-L3-M40.7	M2	0.4	3	M4	0.7	3.40	4
M2.50.45-L3.8-M4.50.75	M2.5	0.45	3.8	M4.5	0.75	3.90	5
M30.5-L4.25-M50.8	M3	0.5	4.25	M5	0.8	4.40	5.5
M40.7-L5.25-M60.75	M4	0.7	5.25	M6	0.75	5.50	6.5
M50.8-L8-M81.25	M5	0.8	8	M8	1.25	6.90	9.5
M6l.0-L10-M10l.25	M6	1.0	10	M10	1.25	8.90	11.5
M81.25-L12-M12l.25	M8	1.25	12	M12	1.25	10.90	13.5
M101.5-L14-M14l.5	M10	1.5	14	M14	1.5	12.80	15.5
M101.25-L14-M14l.5	M10	1.25	14	M14	1.5	12.80	15.5
M121.75-L16-M16l.5	M12	1.75	16	M16	1.5	14.75	17.5
M121.5-L16-M16l.5	M12	1.5	16	M16	1.5	14.75	17.5
M121.25-L16-M16l.5	M12	1.25	16	M16	1.5	14.75	17.5

Description

Light Weight Customized Multiple Sizes Stainless Steel Key Locking Insert/Sleeve/Pin/Screw/Nut is part of our thread repair & solid threaded inserts range (Threaded Inserts & Clinch Fasteners).

Key details

Type: Self Tapping Thread Insert
Material: Stainless Steel, 303 304stainless Steel
Length: 3
Type of The Product: Pin Nut
Place of Origin: Henan, China
Model Number: M2*0.4-L3-M4*0.7
Thread Inserts Type: Pin Nut
Product Name: Self Tapping Thread Insert

Available configurations include material, model number, thread inserts type, customized support and inner diameter. 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 – 0.98 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 Light Weight Customized Multiple Sizes Stainless Steel Key Locking Insert/Sleeve/Pin/Screw/Nut?

The listed minimum order is 100 pieces, at US$0.012 – 0.98 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$0.98 for 100–999 pieces; US$0.012 for 1,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Light Weight Customized Multiple Sizes Stainless Steel Key Locking Insert/Sleeve/Pin/Screw/Nut?

Type: Self Tapping Thread Insert; Material: Stainless Steel, 303 304stainless Steel; Length: 3; Type of The Product: Pin Nut; Place of Origin: Henan, China; Model Number: M2*0.4-L3-M4*0.7. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, model number, thread inserts type, customized support and inner diameter. 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 thread repair & solid threaded inserts are available?

The Thread Repair & Solid Threaded Inserts category lists 961 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/

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 – 0.98MOQ 100 piecesGet a quote WA