Page 53 - Centerdrill Produktkatalog 2020 English

G1/4“ G3/8“ G1/2“

Centertap G 1/4“ TIN with lubrication flutes Centertap G 3/8“ TIN with lubrication flutes Centertap G 1/2“ with Lubrication flutes

Order no.: 390G3/8MS Order no.: 390G1/2MS
Product discription: Centertap G 3/8“ Product discription: Centertap G 1/2“

Thread type: DIN EN ISO 228/ DIN 2189 Thread type: DIN EN ISO 228/ DIN 2189
Thread size: G 3/8“ Thread size: G 1/2“
Pitch: 19,00 G/inch Pitch: 14,00 G/inch

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

Material: HSS-E Material: HSS-E
Shank-ø: 12,0mm Shank-ø: 16,0mm
Square wrench size: 9,0mm Square wrench size: 12,0mm

For Centerdrill core hole: 15,9mm For Centerdrill core hole: 19,9mm

Our oils on page 61

Reference values for G 1/4“ in 2mm Reference values for G 3/8“ in 2mm Reference values for G 1/2“ in 2mm

Material Centertap RPM Material Centertap RPM
Stainless steel 90-110 Stainless steel 70-90

Steel 200-280 Steel 140-230

Copper 300-380 Copper 240-300
Brass 300-380 Brass 240-300

Aluminum 300-380 Aluminum 240-300

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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