Wokin 3-Piece HSS Step Drill Bit Set (HSS-4241 / Titanium Coated).

Wokin 3-Piece HSS Step Drill Bit Set (HSS-4241 / Titanium Coated).

Key Technical Specifications

• Brand / Line: Wokin Industrial

• Stock No. / SKU: 756603

• Material: High-Speed Steel (HSS-4241)

• Surface Treatment: Titanium nitride coating (reduces friction, dissipates heat, and extends bit lifespan)

• Flute Design: Dual-flute / spiral flute design for smooth chip removal and clean, burr-free hole edges

• Shank Type: $1/4\text{“}$ (6.35 mm) Hex shank or 3-flat shank for secure chuck grip without slipping