Technical Data

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Technical Data

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

Plastic Screw Property

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

Oct. 07. 2024

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

Hexalobular Internal Driving Feature for Bolts and Screws

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

Jul. 28. 2022

Flexus【Muilti-Functional Machined Slotted Springs】

Aug. 03. 2020

Advancements in Servomotor Coupling Technology

Various flexible coupling types have been developed based on application demands.

Jul. 31. 2020

Steel

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

May. 10. 2016

Plastic and Rubber

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

May. 10. 2016

Surface Treatment

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

All you need to know about the roles and types of washers!

Cleanroom Wash / Cleanroom Packing Service

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

About SUH660

Screw Length Adjustment Service

Customization

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Ball Rollers : Characteristics

Custom made

Cleanroom Wash / Cleanroom Packing Service

Screw Length Adjustment Service

Couplings Bore and Keyway Additional Modification Service

Captive Processing Service

Screw combination service

Galling and Seizing

What makes our custom screws special

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

Fastening Screws in Areas with Cumulative Pitch Misalignment of Large Panels

Select the best screws for your needs

General Tolerances

Hexagon Nuts

Key and Their Corresponding Keyways

Dimensions of Holes for Hexagon Socket Cap Screws

Vol.4 What are washers used for?

Auto-Positioning Units Frequently Asked Questions (FAQ)

Coupling and Single-axis Actuator Assembly Method

Hints for correctly using NBK products: Quick Positioning Brackets

Hints for correctly using NBK products: Captive Washer for Pull

Hints for correctly using NBK products: Metal Super Knob

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection (Actuator)

Procedure of Selection

Procedure of Selection

What is a Coupling? Explanation of Types and Features

Galling and Seizing

Fastening Screws in Areas with Cumulative Pitch Misalignment of Large Panels

No. 8: Preventing Part Fall-out

What are Captive Screws? Introduction of the NBK Captive Series

What are Hex Nuts?

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

What are Captive Screws? Introduction of the NBK Captive Series

What are Washer-Integrated Screws (SEMS Screws)?An Explanation of Standards and Features

Magnetic shield (permalloy shield) must be fixed

Preventing gaps between the sheet and screw when fastening thin sheets

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

Screws must be protected from chemicals 【Energy-saving / reduced work-hours】

Higher torque and Lower price.

NBK SPECIAL SCREWS

What is a Coupling? Explanation of Types and Features

Vol.6 Varieties of Screws "Beyond" SUS

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

High-Gain Rubber Type Coupling XG2

A new generation of disk couplings

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

Vol.6 Varieties of Screws "Beyond" SUS

No. ９: Increasing Throughput

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

What makes our custom screws special

Customization

NBK SPECIAL SCREWS

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

No. 6: Thermal Cycling

Higher torque and Lower price.

A new generation of disk couplings

All you need to know about the roles and types of washers!

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

About SUH660

General Tolerances

Hexagon Nuts

All you need to know about the roles and types of washers!

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

About SUH660

General Tolerances

Hexagon Nuts

Vol.4　What are washers used for?

Vol.6　Varieties of Screws "Beyond" SUS

Vol.6　Varieties of Screws "Beyond" SUS

Vol.4　What are washers used for?

Vol.6　Varieties of Screws "Beyond" SUS