The charts
Each one prints to a clean sheet for the shop wall
- SP-TD-01 Tap drill & clearance Tap drill, close and free fit for UNC, UNF and metric threads.
- SP-DB-01 Drill bit sizes Number, letter, fraction and metric drills in one list, plus a closest-drill finder.
- SP-TP-01 Thread pitch UNC/UNF threads per inch, metric coarse and fine pitch, and a thread identifier.
- SP-BS-01 Bolt & socket sizes Bolt to wrench or socket, and hex key sizes for cap, button and flat head screws.
- SP-RC-01 Resistor color code 4 and 5-band resistors decoded in both directions, with a preferred-value check.
- SP-SR-01 SMD resistor codes 3-digit, 4-digit and EIA-96 surface-mount resistor codes decoded.
Popular sizes
One page per size: tap drill, clearance, wrench, hex key and nearest metric.
The shop wall set
Every chart in one PDF: a sheet each, black on white, with the title block and a QR code back to the chart.
Print the set