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Thumb Screw Plastic Round Shape Head Threaded Knurled Grip Knobs Clamping Screw with Nut Washe

Updated 2026-11-04 · Markdown version

US$0.06 – 0.12 / piece

MOQ 1,000 pieces · Final price confirmed in your quote

Head Style: Round
Standard: DIN, ANSI, ASME, Ifi, ISO
Grade: 4.8
Material: Carbon Steel

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

Groove	M Word
Connection	Common Bolt
Head Style	Round
Standard	DIN, ANSI, ASME, Ifi, ISO
Grade	4.8
MOQ	1000PCS
Certificate	ISO;SGS; RoHS;TUV;ISO9001
Sampling Time	3~5 Workdays
Transport Package	Bulk in Carton. Then in Pallet
Specification	M4-M20
Origin	China
HS Code	731814
Production Capacity	100tons/Month
Customization	Available
Material	Carbon Steel
Type	Round Head
Durable to use	these Hand Knob Bolts are made of plastic and steel, the screw head is made of plastic, The studs are made of threaded carbon steel, rust resistant and corrosion resistant, can serve for a long time.
Wide range of applications	these thread replacement are widely used as replacements, accessories, jigs and fixtures etc.
Easy to use	these hand screw knob replacement are easy to tighten/loosen and no extra tool required, They definitely will
Category	Thumb, Hand & Knurled Screws

Technical parameters

Product name	Plastic Knob Screws
thumb screw Material	Plastic head ,304 stainless steel screw Plastic Knob Screws
thumb screw Size	Customized Plastic Knob Screws
Finish	Polishing; Anodize; Nickel, Zinc, Tin, chrome,Silver plating etc. It also can be environmentally friendly Plastic Knob Screws
Tolerance	0.01mm Plastic Knob Screws
Application	Widely used in electronics, hardware, lighting, toys, sanitary ware, furniture, medical, sports equipment and other industries. Plastic Knob Screws
Sample	welcome to get samples to testt

Description

Thumb Screw Plastic Round Shape Head Threaded Knurled Grip Knobs Clamping Screw with Nut Washe is part of our thumb, hand & knurled screws range (Screws).

Key details

Type: Round Head
Standard: DIN, ANSI, ASME, Ifi, ISO
Material: Carbon Steel
Grade: 4.8
Head Style: Round
Groove: M Word
Connection: Common Bolt
Certificate: ISO;SGS; RoHS;TUV;ISO9001

Available configurations include head style, standard, grade and material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.06 – 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 Thumb Screw Plastic Round Shape Head Threaded Knurled Grip Knobs Clamping Screw with Nut Washe?

The listed minimum order is 1,000 pieces, at US$0.06 – 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 Thumb Screw Plastic Round Shape Head Threaded Knurled Grip Knobs Clamping Screw with Nut Washe?

Type: Round Head; Standard: DIN, ANSI, ASME, Ifi, ISO; Material: Carbon Steel; Grade: 4.8; Head Style: Round; Groove: M Word. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include head style, standard, grade and material. 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 thumb, hand & knurled screws are available?

The Thumb, Hand & Knurled Screws category lists 712 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/thumb-hand-knurled-screws/

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$0.06 – 0.12MOQ 1,000 piecesGet a quote WA