NPK GH7 - Chisel Tool Resharpening

NPK
- 41 -
TOOLS
CHISEL TOOL RESHARPENING
Worn chisel tools can be re-sharpened by machining according to the dimensions
below.
DO NOT hardface or sharpen the tool point with a cutting torch! Re-sharpen only by
milling or grinding, using sufficient coolant.
MODEL NO.
d16 d21
inch mm inch mm
GH7 4.50 114 0.62 16
GH9 4.88 124 0.62 16
GH10 4.92 125 0.75 19
GH12 5.51 140 0.75 19
GH15 5.91 150 0.75 19
GH18 6.3 160 0.75 19
GH23 6.69 170 0.75 19
GH30 7.09 180 0.75 19
GH40 7.87 200 1.00 25
GH50 8.27 210 1.00 25