Telituny HSS Twist Drill Bit 21 mm, 9341 Steel Metal Drill Bit with 1/2 Inch Shank, 135° Tip Angle & 38° Spiral Angle, for Wood, Metals & Engraving (21 mm)

• High-quality 9341 steel and hardness treatment: This HSS twist drill bit made of tempered 9341 steel offers extreme hardness and abrasion resistance and can withstand more than 4,000 revolutions per minute, making the product ideal for working stainless steel, aluminium or hard woods in workshops and industry.
• 135° tip angle and double free angle: the hardened drill tip of the 9341 steel drill with double rake angle allows precise attachment and quick penetration of concrete walls, metal sheets or multi-layer materials without tilting.
• 38° spiral angle and chip removal: the large spiral angle of the metal drill with 1/2 inch shank. The 9341 steel drill can effectively chip removal, prevents overheating during long drilling in cast materials, plastics or wood materials.
• 【1/2 Inch Reducing Shank & Universality】The reinforced 12.7 mm shank fits into drills, stand drills and CNC milling machines - industrial twist drill bits ideal for carpenters, metalworkers or model building projects.
• We take care of the feelings of every customer. If this impact-resistant HSS drill bit does not meet or exceed your expectations, please contact us first. We will solve the problem immediately.

Specifications: Condition: Brand New Material: 9341 steel. Colour: as shown in the picture. Shank Diameter:1/2" Optional drill diameter: 16 mm, 17 mm, 20 mm, 21 mm. Package weight: approx. 138 g (16 mm), 156 g (17 mm), 189 g (20 mm), 215 g (21 mm). Features: The 135° drill tip adopts a double free angle design to achieve sharp cutting. The 38° large spiral angle design increases the cutting gap. Forged from high-quality 9341 steel, high hardness and good wear resistance. Standard 1/2 inch round shaft for convenient and safe use. The drill head is processed by quenching to ensure excellent performance. Good reliability, good reliability, perfect Suitable for cutting wood, metal, etc. Package list: 1 x twist drill. Note: Please note that the new type and old type of this product are sent at random, and make sure you do not mind before ordering.