Charts & Tables
Essential fastening reference guides — drill bit sizes, torque charts, bolt markings, head styles, and more.
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Categories
Drill Bit Sizes
Charts & Reference
Bolt Markings
Head Styles & Drives
Nuts & Washers
Socket Cap Screws
Comprehensive Torque
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Drill Bit Sizes
Drill Bit Size TablesReference tables for selecting the correct drill bit for tapping operations in both US and metric thread standards.
Charts & Reference
Charts & Reference GuidesGeneral reference charts for decimal equivalents, threads per inch, and common fastener types.
Bolt Markings
Bolt Markings & StrengthIdentify bolt grade markings and their corresponding proof load, yield strength, and tensile strength values.
Head Styles & Drives
Head Styles & Drive TypesVisual reference for fastener head configurations and compatible drive tool types.
Nuts & Washers
Nut & Washer TypesVisual identification guides for the full range of nut and washer configurations used in fastening applications.
Socket Cap Screws
Socket Cap Screw ChartsDimensional and torque specifications for the full range of socket cap screw configurations.
Torque Charts
Comprehensive Torque ChartsRecommended tightening torque values for common ASTM and SAE fastener grades in both dry and lubricated conditions.
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