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

Three Prong Plastic Clamping Knob Internal Thread & External Screw Available Brass Stainless Steel Iron Inserts Optional

Updated 2026-11-04 · Markdown version

Model no. Three arm knob

US$0.30 – 1.58 / piece

MOQ 100 pieces · Final price confirmed in your quote

Size: Three Prong Knob
Customized: Customized
Material: ABS Plastic with Brass Iron Stainless Steel Insert
Thread Type: Internal Thread/External Screw Available
Diameter: 63mm 80mm 100mm
Cap color optional: Blue, Black, Red, Orange, White as requested

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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

Model NO.	Three arm knob
Logo Printing	Without Logo Printing
Size	Three Prong Knob
Customized	Customized
Type	Connection
Material	ABS Plastic with Brass Iron Stainless Steel Insert
Certification	ISO 9001:2000
Thread Type	Internal Thread/External Screw Available
Machine Type	Lathe Machine, Punching Machine, Milling Machine
Diameter	63mm 80mm 100mm
Hole Type	Through Hole
Transport Package	Plastic Bag+Carton
Specification	M6M8M10M12
Origin	Hebei China
HS Code	84879000
Production Capacity	1000PCS/Week
Customization	Available
After-sales Service	Contact Sale Team
Warranty	Contact Sale Team
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Bore type	Through Hole
Cap color optional	Blue, Black, Red, Orange, White as requested
Category	Thread Repair & Solid Threaded Inserts

Technical parameters

D	d	h	H	D1	h1
63	M8	20	28	27	11
63	M10	20	28	32	11
80	M12	20	36	32	14
100	M16	28	43.5	36	18

Description

Three Prong Plastic Clamping Knob Internal Thread & External Screw Available Brass Stainless Steel Iron Inserts Optional is part of our thread repair & solid threaded inserts range (Threaded Inserts & Clinch Fasteners).

Key details

Type: Connection
Material: ABS Plastic with Brass Iron Stainless Steel Insert
Size: Three Prong Knob
Diameter: 63mm 80mm 100mm
Certification: ISO 9001:2000
Logo Printing: Without Logo Printing
Thread Type: Internal Thread/External Screw Available
Machine Type: Lathe Machine, Punching Machine, Milling Machine

Available configurations include size, customized, material, thread type and 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$0.30 – 1.58 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 Three Prong Plastic Clamping Knob Internal Thread & External Screw Available Brass Stainless Steel Iron Inserts Optional?

The listed minimum order is 100 pieces, at US$0.30 – 1.58 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 Three Prong Plastic Clamping Knob Internal Thread & External Screw Available Brass Stainless Steel Iron Inserts Optional?

Type: Connection; Material: ABS Plastic with Brass Iron Stainless Steel Insert; Size: Three Prong Knob; Diameter: 63mm 80mm 100mm; Certification: ISO 9001:2000; Logo Printing: Without Logo Printing. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include size, customized, material, thread type and 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

More about us → · Request a sample or custom quote →

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US$0.30 – 1.58MOQ 100 piecesGet a quote WA