Diamond Core Drill Bits

Titanium coated HSS 4241 step drill set offers strong durability, heat and corrosion resistance. Hex shank design ensures secure grip. Automatic center punch for precise starts. Ideal for metal, aluminum, and wood drilling. Custom options available.

Professional vacuum brazed diamond core drill bit for fast, clean holes in ceramic, porcelain, stone. Dry drilling, no coolant needed. M14 thread, 65mm working length, 15mm teeth height. Includes adapter and corner trimming tool. Durable, efficient, patent technology.

Made from premium HSS 4241 with titanium coating for enhanced durability, heat, and corrosion resistance. Features 10 step sizes from 1/4 to 1-1/8 inch, automatic center punch, and triangle shank. Ideal for metal, aluminum, and wood drilling.

Premium M35 cobalt steel step drill bits with 66-69 HRC hardness. Triple ground cutting edge for fast, clean holes in stainless steel, iron, aluminum, and wood. Hex shank prevents slipping. Ideal for high-volume drilling with extended tool life.

Titanium coated HSS4241 step drill bits set offers strong durability, heat and corrosion resistance. Includes automatic center punch. Ideal for metal, aluminum, and wood drilling. Custom options available.

Titanium coated HSS 4241 step drill bits set of 3 sizes 4-20mm. Hex shank quick release for easy use. Strong durability heat and corrosion resistant. Ideal for metal aluminum wood drilling. Automatic center punch included.

Titanium coated HSS 4241 step drill bit set with automatic center punch for precise starts. Features 6 steps from 3/16 to 1/2 inch, hex shank, and superior heat/corrosion resistance. Ideal for metal, aluminum, and wood drilling.

Made from premium HSS 4241 with titanium coating for enhanced durability and heat resistance. Features multiple step sizes from 1/4 to 3/4 inch. Ideal for drilling metal, aluminum, and wood. Includes automatic center punch for precise starts.

Made from premium HSS 4241 with titanium coating for enhanced durability, heat, and corrosion resistance. Features a hex shank for secure grip and automatic center punch. Ideal for drilling metal, aluminum, and wood. Custom options available.

Made from premium M35 high-speed steel with titanium coating for enhanced durability and heat resistance. Features 15 step sizes from 4 to 32mm, automatic center punch, and triangular shank for secure grip. Ideal for drilling metal, aluminum, and wood.

High-performance M35 cobalt diamond core drill bit with 35mm diameter and straight slot design. Ideal for reinforced concrete, brick, and stone. Offers superior durability, fast drilling, and long service life. Custom sizes available.

Made from high-speed steel 4241 with cobalt for enhanced durability. Features a 1/4in hex shank for universal compatibility. Ideal for metal, wood, and PVC. Custom options and sample orders available. 7-20 day delivery.

Titanium coated step drill bits set with HSS 4241 construction for enhanced durability, heat and corrosion resistance. Features automatic center punch and hex shank. Ideal for drilling metal, aluminum, wood and sheet metal. Suitable for home repairs and light industrial jobs.

Made from high-speed steel 4241 with cobalt coating for enhanced durability and heat resistance. Hex shank design prevents slipping. Ideal for metal drilling. Offers efficient cutting and long service life.

This 3-piece hex shank step drill bit set features HSS 4241 titanium coating for durability and efficient metal drilling. Covers 4-20mm sizes. Universal fit for most oscillating tools. Ideal for B2B industrial use.

High-speed steel 4241 step drill bits set with titanium coating for enhanced durability. Hex shank design ensures secure grip. Includes center punch for precise starting. Ideal for metal drilling. Compatible with most power drills.

Titanium coated HSS 4241 step drill bits offer superior heat, corrosion, and rust resistance. Automatic center punch design for precise starts. Ideal for drilling metal, aluminum, wood, and sheet metal. Durable and versatile for home and light industrial use.

Vacuum brazed diamond core bit set for dry or wet use on tile, porcelain, and ceramic. Features hex shaft for battery drills, less chipping, and long lifetime. Custom logo and size lasering available. Ideal for 45+ holes in hard porcelain.

Vacuum brazed diamond core bit with OD35mm, 62mm length, and M14 thread. Ideal for porcelain, ceramic, and tile. Superior durability over electroplated bits, delivering high precision with minimal chipping. Drills 30+ holes per bit. SGS certified.

High-performance 30mm diamond core bit with M14 thread for precise drilling in porcelain and ceramic tiles. Vacuum brazed technology ensures long life, smooth edges, and minimal chipping. Ideal for professional tile installation.