Products 8623242 Unit Price: $ 65.8000 /EA Pkg Qty: 1 Description: 4.2MM20XD HELIOS Item Category Code: OSG Product Group Code: DRILLING Coating: WXL Coolant Through: No Decimal Size: 0.1654 Flute Helix: 40 Deg Flute Length: 98 Flutes: 2 Length Style: Extra Long Material: HSSCo Metric Size: 4.20 Overall Length: 155 Point Angle: 120 Deg Point Type: R Thinning Shank Diameter: 4.2 × Warning! You are currently logged in as a guest, please login or continue as guest.