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Special Screws

Plastic Screw Property

Plastic Screw Property

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

Chemical Resistance of Chemical-proof Screws

Chemical Resistance of Chemical-proof Screws

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

Property of Special Material Screws

Property of Special Material Screws

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

Titanium Property

Titanium Property

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

Screw Standards and Technical Information

Screw Standards and Technical Information

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

Hexalobular Internal Driving Feature for Bolts and Screws

Hexalobular Internal Driving Feature for Bolts and Screws

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

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Vol. 12 Back to Basics Series! Screw Reference Dimensions

This is a description of "stress corrosion cracking", a problem that frequently occurs but is difficult to detect. I, Nedzigon will discuss the causes, mechanism, and countermeasures, as well as screws that are resistant to stress corrosion cracking.

Vol. 11 Back to Basics Series! Introducing Various Types of Screws

Vol. 11 Back to Basics Series! Introducing Various Types of Screws

This time we are going back to the basics to talk about the types of screws used by machinery. Nedzigon will focus on frequently used metric standard screws and introduce hex head screws and machine screws.

Vol.4　What are washers used for?

Vol.4　What are washers used for?

Do you know the role washers play? Preventing scratches to the seating surface?
Preventing looseness? Maybe some of you are already long-time washer users?
Today,Nedzigon will explain the role of metal washers clearly.

Vol.2　Explaining the Vocabulary of Screws

Vol.2　Explaining the Vocabulary of Screws

Dealing with screws involves a lot of specialized terminology. When you're looking up every word you don't know in reference books or on the Internet, the time gets away from you before you know it... . Nedzigon is here to help you out with a few of the most common screw-related specialized terms.

Steel

Steel

This page describes "Steels" such as SS400, SPCC, SPHC, SUJ2 and FC200.

Plastic and Rubber

Plastic and Rubber

This page describes "Plastics and Rubbers" such as ABS, FRP, polycarbonate, polypropylene, silicone rubber and butyl rubber.

Surface Treatment

Surface Treatment

This page describes "Surface Treatments" such as thermal spraying, induction hardening, nitriding, electroplating, chemical conversion treatment and anodic oxidation.

Aluminum Alloy

Aluminum Alloy

This page describes "Aluminum Alloys" such as A5052, A2017, A6063 and A7075.

Stainless Steel

Stainless Steel

This page describes "Stainless Steels" such as SUS304, SUS316, SUS430, SUS316L, SUS303, SUS440C and SUS403.

Comparison Table of Material

Comparison Table of Material

This page describes "Comparison table of material".