12 PCS,1/4″, HSS Black and Gold Coated Twist Drill Bits, Metal Drill, Ideal for Drilling on mild Steel, Copper, Aluminum, Zinc Alloy etc. Pack in Plastic Bag
Specifications: Brand new and high quality. Material: M2 High Speed Steel,
Bright Finish. Point Angle: 135 Degree. Flute Type: Spiral. Shank Type: 3-Flat
Shank. Specification Met: ANSI. Indentation Hardness: 63-63 Rockwell. High
Speed Steel: High speed steel construction provides ultimate durability, the
cutting edge is hardened and honed for sharpness, chatter-free design with
staggered cutting teeth ensure the precise countersinking and hole smooth
clean. Twist Design: The split point tip and twist design increases cutting
speed while easy self centering prevents walking. Say bye to all those chips
and particles, with the twist design the drill bit can quickly clears them
out, and leaves a clean, smooth hole. Notice: Please keep cool and gentle
using, the working life of the twist drill bits can be largely prolonged by
proper usage. Not For Use On Concrete, Masonry, Stainless Steel. Please check
the detail information carefully before purchasing. Please allow 1-2mm in size
measurement chart for variance due to manual measurement. Please excuse us
from any possible typos and unintentional misinterpretations Your satisfaction
is our utmost concern, please feel free to contact us for any questions and
concerns. Our Services: On-time Delivery: Your product will arrive at the
scheduled time. Our working time: Monday to Friday, 9:00~18:00. For inquires
and customer support, please send your email via amazon email system. All
emails will be responded to within 24 hours during business days.
Product Features
- Bright finish: Classic M2 High Speed Steel construction with Bright Finish for proven capability and durability.
- Strength & Hardness: Made with HSS M2 steel, Rock wall Hardness Level HRC 62-63.
- Package & Size: 12 Pieces in a plastic bag, Diameter 5/16 inch, Total length 4 inch, Working length 2-3/4 inch.
- Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry / Stainless Steel. Perfect match for workshop or service vehicles.
- 135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.