Page 52 - Centerdrill Produktkatalog 2020 English

G1/8“ G1/4“

Centertap G 1/8“ TIN with lubrication flutes Centertap G 1/4“ TIN with lubrication flutes

Order no.: 390G1/8MS Order no.: 390G1/4MS
Product discription: Centertap G 1/8“ Product discription: Centertap G 1/4“

Thread type: DIN EN ISO 228/ DIN 2189 Thread type: DIN EN ISO 228/ DIN 2189
Thread size: G 1/8“ Thread size: G 1/4“
Pitch: 28,00 G/inch Pitch: 19,00 G/inch

Lubrication flutes: yes Lubrication flutes: yes
Coating: TIN Coating: TIN

Material: HSS-E Material: HSS-E
Shank-ø: 7,0mm Shank-ø: 11,0mm
Square wrench size: 5,5mm Square wrench size: 9,0mm

For Centerdrill core hole: 9,2 and 9,3mm For Centerdrill core hole: 12,4mm

Centerdrill + Centertap

Order hotline

+49 (0) 6198 / 58 58 97

DIN-threads in only two working steps

Reference values for G 1/8“ in 2mm Reference values for G 1/4“ in 2mm

Material Centertap RPM Material Centertap RPM
Stainless steel 140-190 Stainless steel 110-140

Steel 380-500 Steel 280-360

Copper 480-650 Copper 380-480
Brass 480-650 Brass 380-480

Aluminum 480-650 Aluminum 380-480

These are recommended values and they may vary significantly, These are recommended values and they may vary significantly,
depending on the type of material, material thickness, lubrication, etc. depending on the type of material, material thickness, lubrication, etc.
Emulsions must contain at least 8-10% grease. Emulsions must contain at least 8-10% grease.

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