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Bolt Circle Calculator

Calculator Menu

Enter values below to calculate the coordinates of the holes in a bolt circle.

Number of Holes	N
Diameter of Bolt Circle	D in mm
Diameter of Holes	d
Angle of First Hole	A degrees
Offset of Center	X Y

Transfer Punch Set, Sizes #1-60, 60 Piece

Transfer Punch Set, Sizes #1-60, 60 Piece

60 Piece #1-60 Transfer Punch Set
Range is #1 to #60
Heat treated and tempered tool steel for long life
Transfer punches are 0.0025" undersize for precise fit

$28.95

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HiTorque 6500 Bench Mill

HiTorque 6500 Bench Mill

750 watt (1 hp) brushless motor/gearless spindle
Clear and precise spindle controls
Large X-Y table 27.5" x 6.25"
True quill and drill press-style handles
Tapping mode for reversing taps out

$1,999.00

Regularly $2,199.00

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Way Oil, Mobil Vactra Oil No. 2, Pint

Way Oil, Mobil Vactra Oil No. 2, Pint

ISO viscosity 68
One Pint
Recommended for horizontal slideways on small to medium size machine tools
Rust Protection, ASTM D 665B Pass

$10.95

Regularly $12.95

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Have you seen?

Transfer Punch Set, Sizes #1-60, 60 Piece

Machinist's Calculatorlmscnc.com/calc