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Practical references for the workshop, all in one place.
Showing 15 of 15 charts
- 01 / 15Drilling & Threads
Drill Size Chart
Number, letter, fractional and metric drills in one list, with inch and millimetre equivalents.
- 02 / 15Drilling & Threads
Tap Drill & Clearance Drill Chart
Tapping drills and clearance holes for metric, unified, British and pipe threads.
- 03 / 15Tooling & Machining
Arbor & Taper Chart
Morse, Jacobs, B, 7:24 and R8 tapers - how to identify them and what fits what.
- 04 / 15Tooling & Machining
Collet Chart
ER collet sizes, clamping ranges and nut threads, plus a quick guide to 5C, R8 and Morse collets.
- 05 / 15Drilling & Threads
Thread Identification & Pitch Chart
Identify an unknown thread by diameter, pitch and form: metric, unified, Whitworth, pipe, BA and lead-screw threads.
- 06 / 15Fabrication
Welding Reference Chart
Electrode codes, which rod for which job, current settings, shielding gases, tungstens, lens shades and weld symbols.
- 07 / 15Fasteners
Bolt, Spanner & Hex Key Size Chart
Which spanner or hex key fits which bolt: metric, unified and Whitworth, plus inch/metric spanner equivalents.
- 08 / 15Fasteners
Bolt Torque Chart
Tightening torques for metric, stainless and SAE bolts, calculated to VDI 2230, with grade markings and lubrication factors.
- 09 / 15Tooling & Machining
Cutting Speeds, Feeds & Insert Guide
Starting cutting speeds and feeds for turning, drilling and milling, an rpm table and how to read ISO insert codes.
- 10 / 15Fasteners
Bolt Hole Circle (PCD) Chart
X-Y coordinates for 3 to 12 holes on any pitch circle, hole spacing factors, and ASME Class 150 / EN PN16 flange drilling.
- 11 / 15Fabrication
Sheet Bending Chart
Press-brake die selection, bending force, bend allowance and deduction, K-factors and springback.
- 12 / 15Engineering Data
Wire & Sheet Gauge Conversion Chart
SWG, AWG and sheet-metal gauges converted to millimetres, sheet weights, and metric cable sizes against AWG.
- 13 / 15Tooling & Machining
Brazed Carbide Tool Selection Chart
Brazed carbide lathe tool styles by ISO and DIN number, carbide grades, shank sizes and resharpening tips.
- 14 / 15Engineering Data
Engineering Conversion Chart
Length, area, volume, mass, force, pressure, torque, power and temperature conversions, hardness, fractions and steel weights.
- 15 / 15Engineering Data
Reaming, Fits & Tolerances Chart
ISO 286 tolerance grades, hole and shaft limits, how to choose a fit, and reaming allowances.
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