Bolt Depot - Printable Fastener Tools

Fastener Information

Don't miss our Bolt Size chart and other printable tools

Printable Fastener Tools

These 'lay-over' charts let you quickly identify fastener types and dimensions by simply matching up your fastener with the printout. The printable fastener tools series also includes general charts and tools for identifying and measuring fasteners, including a ruler and thread gauge.

Important: Printing to scale

Page scaling options When printing, make sure that any page scaling is turned off. After printing, measure the scale check on the printout to ensure correct scale.

Chrome users: Scaling cannot be turned off in Chrome. We recommend using a different PDF reader, such as Adobe Reader.

Note: You must have a PDF viewer, such as Adobe Reader, installed to view and print these files.

General Reference and Tools

Fastener Type (Identification) Chart

This general reference guide will help you identify fastener categories, head styles and drive types, as well as common nut and washer types.

US and Metric Ruler

Print a fully functional US and Metric ruler.

US and Metric Thread Gauge

A printable paper version of our popular Thread Gauges. Use this tool to distinguish between coarse and fine thread bolts and machine screws, as well as the many thread pitches used on metric bolts and machine screws.

See our catalog for plastic thread gauges.

US 'Lay-over' Sizing Charts

Lay-over charts for quickly identifying diameter, thread count and other US fastener dimensions.