Feature

●BRIGHT FINISH Classic M2 high speed steel construction with bright finish for proven capability and durability.
●STRENGTH & HARDNESS Made of HSS M2 steel, stone wall hardness HRC 62-63.
●Package & Size 12 pieces in a plastic bag, diameter 5/16 inch, total length 4.1 inch, working length 3.3 inch.
●PROFESSIONAL & DIY APPLICATION For use on metal, wood and plastics. Not for use on concrete, masonry, stainless steel. Perfect fit for workshop or service vehicles.
●135 Tip & Twist Design: increases cutting speed with self-centering and prevents walking, eliminates chips and particles faster.


Description

Specifications:
High quality
Material: M2 high speed steel, bright surface.
Tip angle: 135 degree
Flute Type: Spiral
Shaft type: 3 flat shaft.
Specification Meets ANSI
Notch Hardness:63-63 Rockwell

High Speed Steel:
High speed steel construction provides ultimate durability, cutting edge is hardened and ground for sharpness, chatter-free design with offset cutting teeth ensure precise countersinking and holes smooth clean.

Twist design:
The split tip and twist design increase cutting speed, while the easy self-centering prevents walking. Say goodbye to all these chips and particles, with the twist design, the drill can be removed quickly leaving a clean, smooth hole.

Note:
Please keep it cool and gentle, the life of the twist drill bits can be largely extended by proper use.
Not for use on concrete, masonry, stainless steel.
Please check the detail information carefully before purchasing.
Please allow 1-2mm differs due to manual measurement.
Please excuse us of possible typing and unintentional misinterpretations. Your satisfaction is our top concern.

Our services:
On-time delivery: your product will arrive at the scheduled time.
Our working hours: Monday to Friday, 9:00~18:00 If you have any questions and customer support, please send your email via Amazon email system. All emails will be answered within 24 hours during business days.