Page 35 - Centerdrill Produktkatalog 2020 English

G1/8“ - 9.2 Surface without collar

Centerdrill 9.2 long Centerdrill 9.2 short-flat Centerdrill 9.2 long-flat

Order no.: 3650920 Order no.: 3550920
Product discription: 9.2 short-flat Product discription: 9.2 long-flat

Thread type: DIN EN ISO 228/ DIN 2189 Thread type: DIN EN ISO 228/ DIN 2189
Thread size: G 1/8“ x 28 Thread size: G 1/8“ x 28
Centerdrill core hole: 9,2mm Centerdrill core hole: 9,2mm

Working part L1: 16,9mm Working part L1: 22,5mm
Shank-ø: 10,0mm h6 Shank-ø: 10,0mm h6

Surface workpiece: flat / plan, without collar Surface workpiece: flat / plan, without collar
Max. Material thickness: 2,5mm Max. Material thickness: 5,2mm
Suitable for materials: Steel, Brass, Suitable for materials: Steel, Brass,

Aluminum, Copper Aluminum, Copper

Also available in the Beginner Set on page 56-59

Reference values for G 1/8“ in 2mm Material thickness

Material

Process data Stainless steel Steel Copper Brass Aluminum
RPM Centerdrill 1500 1800 2700 2700 2700

RPM Centertap 140-190 480-650 480-650 480-650 480-650

kW-Power + 2,2 1,7 1,7 1,7 1,7
Feed rate (mm/min)* + 50-150 50-150 50-150 50-150 50-150

• *While removing the collar, the feed rate should be increased at the end of the process, approx. 900 mm/min.
• These are recommended values and they may vary significantly, depending on the type of material, material
thickness, lubrication, etc. For thread forming, we recommend our cutting oil. If you use an emulsion, it should contain
at least 8-10% grease.
• CNC-data can be provided on request.

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