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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- Features of 5100 (most powerful, most low-speed torque, gearless spindle, cam-lock TS, 4" chuck)
- Includes DRO readouts on compound rest, cross slide, and tailstock
- Metal hand wheels and chrome levers
- Includes 0XA wedge-type quick change tool post and five tool holders
- CHUCK GUARD HAS NOW BEEN REMOVED
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- QCTP Set easily mounts to 7x10, 7x12, 7x14, 7x16 lathes
- 3/8" indexable TCMT inserts, P1N cut-off blade
- 9-piece carbide boring bar set - 3/8" shank
- 1/2" drill chuck, 2MT short to 33JT drill chuck arbor
- 4 center drills (sizes 1-4)
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HiTorque 7450 Deluxe Mini Lathe - 7x16, LED Display
