Bosch 2608596814 HSS-G Metal Drill Bits Long Series 3.5mm 

Features:
Precision-ground bit made of HSS enables fast results
No need to pre-punch or pilot drill up to 10mm diameter
HSS Twist Drill Bit offers solid drilling for standard usage with metal
135-degree self-centring split-point tip combines active cutting and perfect centring without wandering

Product Specification:
Brand    Bosch
Diameter: 3.5mm
Total length: 112mm
Working length: 73mm
Part number: 2608596814
Pack Qty: 5