SibirTech 25-Piece Metal Drill Bit Set (1-13mm, HSS)

Title: Sibirtech Metal Drill Bit Set, 25 Pieces, 1-13mm, HSS (72379)

Description:

The Sibirtech 25-piece metal drill bit set contains high-quality, fast-cutting HSS (High-Speed Steel) drill bits covering the most commonly used sizes (1-13mm). Featuring reverse taper design, the diameter gradually decreases from the cutting edge towards the shank, preventing drill bit jamming. Crafted from premium R4M4X2 high-speed steel, these bits boast a Rockwell hardness of 62-65 HRC, ensuring exceptional durability and longevity. The 118-degree point angle and polished exterior facilitate efficient chip removal. Precision grinding guarantees accurate sizing and superior performance. Please note that product appearance and specifications may be subject to change by the manufacturer.