Unlock precision cutting with the SALI 100 mm Diamond Drill Bit — your go-to tool for efficient hole drilling in hard surfaces. Features include:
 
Durable Diamond Edge: Reinforced with premium diamond coating for effortless drilling through tile, porcelain, marble, granite, and other hard materials.
 
Large Diameter (100 mm / ~4″): Perfect for installing kitchen sinks, bathroom fittings, floor drains, and utility access points.
 
Smooth & Clean Cuts: Reduces cracking and chipping thanks to advanced bonding and cutting-edge engineering.
 
Water-Cooled Design: Wet drilling keeps the bit cool and prolongs its lifespan — ideal for longer tasks.
 
Universal Compatibility: Fits most standard drill grits with ½″ (12.7 mm) or ¾″ shafts using included adaptors.
 
Whether you're tackling a home renovation or professional installation, this drill bit delivers clean, accurate results every time.
 
 
Price includes shipping!