Screw Size Chart: Comprehensive Guide to Metric Dimensions

Complete reference guide for ISO Metric threads. Identify nominal sizes and diameter specifications.

Jun. 15. 2026

Hexalobular Internal Driving Feature for Bolts and Screws

This page describes JIS B 1015 "Hexalobular internal driving feature for bolts and screws".

May. 14. 2026

Unified Coarse Screw Threads/Unified Fine Screw Threads

This page describes JIS B 0206 / JIS B 0208 "Unified Coarse Screw Threads/Unified Fine Screw Threads".

Apr. 27. 2026

Slip Torque of Coupling – Set Screw Type

This page explains the slip torque for set screw type couplings.

Nov. 26. 2025

Property of High Performance Stainless Steel Screws

This page describes "Properties of High Performance Stainless Steel Screws" such as SUS316L and SUS310S, which are effective for magnetic detection, high strength and heat resistance.

Oct. 28. 2025

Plastic Screw Property

This page describes "Plastic Screw Properties" such as PEEK, PTFE (Polytetrafluoroethylene), PPS, PC (polycarbonate) and PP (polypropylene).

Jun. 24. 2025

Hexagon Socket Head Cap Screws Excerpts from ISO 4762：2004, JIS B 1176:2015

This page describes JIS B 1176 "Hexagon socket head cap screws".

Apr. 30. 2025

General Tolerances

This page describes JIS B 0405 / JIS B 0419 "General tolerances".

Jan. 27. 2025

Hexagon Nuts

This page describes JIS B 1181 "Hexagon Nuts (those not dependent on ISO 4032 to 4036 and ISO 8673 to 8675)".

Jan. 27. 2025

Key and Their Corresponding Keyways

This page describes JIS B 1301 "Keys and their corresponding keyways".

Jan. 27. 2025

Dimensions of Holes for Hexagon Socket Cap Screws

This page describes "Dimensions of Holes for Hexagon Socket Cap Screws".

Jan. 27. 2025

Chemical Resistance of Chemical-proof Screws

This page describes "Chemical Resistance of Chemical-proof Screws" such as ceramic, titanium, resin nickel and Inconel.

Oct. 07. 2024

Property of Special Material Screws

This page describes "Properties of Special Material Screws" such as ceramic, nickel, aluminum, molybdenum, Inconel, Hastelloy and phosphor bronze.

Oct. 07. 2024

Titanium Property

This page describes "Titanium Properties" such as pure titanium, 64 titanium and β titanium.

Oct. 02. 2024

Screw Standards and Technical Information

JIS standards, material properties, surface treatment features and technical documents required for design are available here.

Aug. 06. 2024

Flexus【Muilti-Functional Machined Slotted Springs】

Aug. 03. 2020