9.1mm A1149TFL Coated Stub Drill AM7637 Valve Cover Top Style: Finned

Valve Cover Top Style: Finned

Diameter 19mm

- W176 PETROL & CDI DIESEL A200 + 4 MATIC 2012-Current (Front)

Capable of reflecting up to 90% of radiant heat

Thermaflect Sleeve acts as a thermal barrier capable of reflecting up to 90% of radiant heat away (requires minimum of 1" of airspace and good aiflow)

9.1mm A1149TFL Coated Stub Drill AM7637 Valve Cover Top Style: Finned3xD HSS E High Performance Stub Drill. UFL TFL Coated for universal application UFL TFL Coated for universal application INCREASE IN PRODUCTIVITY Drilling without drilling cycle Can be used universally for all material groups PROCESS RELIABILITY Reliable chip evacuation due to special UFL flute geometry Maximum stability thanks to strengthened core diameter COMPONENT QUALITY Excellent component surface finish quality thanks to high cutting speeds