Driver Bit Size Comparison Chart
A practical reference tool to help professionals quickly identify and convert common driver bit sizes.
NOW NZ’s exclusive distributor of Blind Bolts
Technical Resources
Hex Bolt and Nut Marking Identification
This resource provides clear illustrations of different markings on Hex Head Bolts and Nuts.
Stud Bolt and Nut – Technical Information
In this resource you can learn more about the different stud bolts and nuts we offer from B7, B8M, and L7 studs ranging from ½” to 2 ½” in diameter.
Tightening Torque Guide
This resource is a guide to the amount of applied torque needed for different bolt sizes.
Fastener Finishes
The finish of a fastener is the broad term used to describe the coating on the fastener material.
Metric Thread Form and Dimensions
This resource makes it easy to identify thread pitch, basic major diameter, basic minor diameter and tapping drill sizes for your threaded fastener needs.
Thread Size and Pitch Comparison Chart
Learn more about the different thread sizes for both metric and imperial threads.
Class and Grade Tensile Strength Comparison Chart
This resource provides a comparison between the class and grade systems used to indicate tensile strength.
Metric to Imperial Conversion Chart
This resource covers imperial fraction conversions to millimeters, with a decimal equivalent provided.