5/10PCS 8.5mm 9mm M2 HSS6542 Bright Straight Shank Twist Drill Bit Set

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5/10PCS 8.5mm 9mm M2 HSS6542 Bright Straight Shank Twist Drill Bit Set  Specifications
Brand OEM
Surface Finish Titanium coated
Cutting direction Left hand
Production Process Roll &Polished
Shank type Straight round shank
Application Drll for steel, cast iron, carbon alloy, harded material and other
Material 4341/M2High Speed Steel
Cutting edge 135 degree split point
Size 1/16inch—-1/4inch in 1/64 increments

HSS twist drill bits are suitable for all normal drilling in conventional materials, they provide fast and clean cutting for a vast array of materials: Steel, Copper, Aluminum, Brass, Oak, Maple, MDF, Pine, PVC, Polycarbonate, Acrylic, ABS, Composite Materials, and Common Stainless Steel.

1. Made of high quality high speed steel.
2. Various sizes are available upon request.
3. TiALN, TiN coating are available.
Premium HSS Material: Manufactured from high-quality M35 and M2 High Speed Steel for superior durability.
Customizable Sizes: Various sizes available upon request to meet specific drilling requirements.
Advanced Coating Options: TiALN and TiN coatings available to enhance performance and longevity.
OEM Service Available: Full OEM customization services provided for branding and specific needs.
Industrial Grade Quality: Designed for efficient metal drilling in building and industrial applications.
Established Manufacturer: Over 30 years of experience with 100+ patents and international standards leadership.
Global Market Presence: Serving customers in over 80 countries with reliable supply chain capabilities.
CE Certified Products: All products meet CE certification standards for safety and quality assurance.

Components of A Drill Bit
Every type of drill bit is unique. Nevertheless, they have the same parts with little or no alteration. Below are parts common to all types of drill bits used in part manufacturing:
components of drill bit
Body: It is the main part of a drill bit which is between the shank and the point.
Point: The part has a cone shape and is the end point of the drill bit found at 180°.
Shank: The shank of a drill bit that fits into the drill.
Tang: Tang is the outermost part of the shank that fits into the drilling machine’s spindle.
Flutes: Flutes are spiral, helical, or straight grooves made on the body of the drilling bit. They have a cutting edge, turns chip into curls for easy removal, and allows the introduction of coolants.
Land: It is also called the margin, this is part of the body with the flutes
Body Clearance: This is part of the body with a lesser diameter than the drill bit. It functions by reducing the friction between the drill and the hole.
Web: The part separating the two flutes.
Neck: The neck connects the shank and the body.  5PCS High Speed Steel Left Hand Reversible Drill Bits Set