Machine Screws

Machine screws are used for threaded holes, nuts, inserts and assembled hardware products. Send photos, drawings or samples for product matching, mixed orders and OEM packaging.

B2B Product Selection Guide

Machine Screw Selection for Threaded Assembly and Hardware Applications

Machine screws are used for threaded holes, nuts, inserts and assembled hardware products. This category helps buyers confirm thread standard, diameter, length, head, drive, material, finish, tolerance and packing before quotation.

Request Matching QuoteSend Photos / SamplesAsk for OEM Packaging

Best for

  • Fastener distributors
  • OEM assembly buyers
  • Industrial supply wholesalers
  • Hardware importers

How to choose

  • Confirm metric or inch thread standard before comparing sizes.
  • Choose head and drive type according to assembly space and tooling.
  • Check material and finish according to indoor, outdoor or corrosion-resistance requirements.
  • For OEM assembly, confirm drawing, tolerance, sample and packing requirements before mass order.

Product Matching Check

Send these details before quotation so we can confirm a suitable option faster.

  • Thread standard, diameter and length
  • Head type, drive type and thread length
  • Material, grade and surface finish
  • Nut, washer or insert matching requirement
  • Drawing, sample, quantity, packing and inspection requirement

Common purchasing mistakes

  • Mixing metric and inch thread requirements.
  • Not checking head height or countersunk angle.
  • Ignoring material grade and finish for the final environment.
  • Ordering without confirming matching nuts or washers.

How to get a correct quote

  1. Send the product link, photo, drawing, sample or key dimensions.
  2. Confirm material, finish, size, application and matching accessories.
  3. Confirm quantity, MOQ, mixed-order plan, packaging and destination.
  4. Receive quotation, sample option and order confirmation details.
  5. Confirm production, packing, shipping marks and delivery arrangement.

Related options to compare

  • Screws
  • Nuts
  • Washers
  • Bolts
  • Wrenches & Hex Keys

Buyer FAQ

What details are needed for machine screw quotation?

Send thread standard, diameter, length, head, drive, material, finish, quantity and packing requirements.

Can machine screws be made according to drawing?

Many requirements can be checked by drawing or sample before quotation and production.

Can matching nuts and washers be supplied together?

Yes. Machine screws can be quoted with nuts, washers and related accessories.

Quality & order confirmation

Before order confirmation, CH Fasteners can check material, finish, critical dimensions, visible appearance, packaging, shipping marks and available documents according to the product and destination. Final suitability must always be confirmed against the real application, drawing or sample.

View distributor support or send an RFQ with photos and order details.