Enter values below to calculate the diameter of a bolt circle.
Tip:
To measure the center distance between two holes of equal
diameter with an electronic caliper.
1. Use the inside jaws to measure the diameter of one of the holes. Before you
remove the caliper from the hole, press the button to zero the caliper while
it is set to the diameter of the hole.
2. Still using the inside jaws, measure the distance between the far surfaces of
the two holes. The caliper reading is the distance between centers of the
two holes.
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- Fingertip control for drilling small holes
- Helps prevent drill breakage
- 0JT taper, 1/2" diameter precision ground straight shank
- Spring loaded 3/4” travel fits most drills, mills, lathes or jig borers
- Capacity: 0” - 1/8" (0 - 3mm ) Keyless drill chuck
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- Range: 0-6" (0-150 mm)
- Accuracy: 0.001"/6"
- Resolution: 0.0005" / 0.01mm / 64th
- IP67: Dust tight, temporarily imersable
- Operating Environment: 0-40°c
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- Made from aluminum plate 3/4" thick
- Plate is 6" x 12"
- 220 Holes tapped 1/4"-20, 72 holes for locating pins
- Includes clamping kit
- Designed for small work pieces
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