NPK GH1 - Chisel Tool Resharpening

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CHISEL TOOL RESHARPENING
Worn chisel tools can be resharpened by machining according to
the dimensions below. DO NOT hardface or sharpen the tool
point with a cutting torch! Resharpen only with a lathe or milling
machine using sufficient coolant.
MODEL
d21
INCH MM
d16 (REF.)
INCH MM
GH06 .25 6.4 1.57 40
GH07 .25 6.4 1.77 45
GH1 .38 9.7 2.17 55
GH2/GHS2 .38 9.7 2.52 64
GH3 .38 9.7 2.91 74
GH4 .50 12.7 3.31 84
GH6 .50 12.7 4.09 104