GuhringIndex|News|Facts|Products|Feedback|Download
Series no. 243 Back to: Products | Online Catalogue | Starting digit 2

Extra Len. Taper Shank Drill 750 mm

Picture of tool


Type GT 100
Guhring standard
Manufacturing
specifications
Point grinding: relieved cone
Point angle: greater than standard (130º)
Web thinned: to DIN 1412, form A
Helix angle: greater than standard
Web thickness: considerably greater than standard
Web taper: smaller than standard
Flute form: very wide flutes with special "rolled-off" heels
Tolerance on diameter: h8

Other manufacturing specifications to DIN 1414.
Range of
applications
Particularly robust deep hole drill especially developed for the drilling of extremely deep holes such as cooling holes in moulds.
Suitable for cast iron and steel with up to 1000 N/mm˛.
Not recommended for Cr-Ni steels, stainless steels and similar materials.
Sketch
Skizze
Tool material
HSS
Cutting direction
right hand-cutting
Surface
bright
Ø-range
8,00-12,00
Series No.
243


Back to top