Our HOLE DOZER™ Bi-Metal hole saws are proudly made in the USA. HOLE DOZER™ Thermoset Coating allows for faster cutting and is optimized for cordless tools, delivering you 25% more holes per charge. The new slot design also gives you increased pilot visibility for accurate placement and faster chip ejection keeping your cut cool. Our ALL-ACCESS SLOTS solve the frustration of plug removal, making you more productive with less downtime between holes. These MILWAUKEE® HOLE DOZER™ Bi-Metal Hole Saws feature the industry's only Lifetime Tooth Break Warranty and can take on all general purpose applications, making them the most durable hole saws. Our HOLE DOZER™ 20-Piece Bi-Metal Hole Saw kit features a new 3.5 TPI tooth design that offers you the longest life in metal applications. Milwaukee Tool icon-chevron Expand Submenu.This high quality holesaw range is the perfect solution for cutting all types of materials: - Steel up to 1000 N/mm² strength - Stainless steel and acid resistant steel - Non-ferrous metals - Cast iron - Aluminium - Wood - Medium density fibreboard (MDF) - Gypsum plasterboard - Sandwich materials - PVC.Applications - High quality manufacturing techniques ensure high rotational precision, therefore these holesaws are suitable for use both in hand and pillar drills (manual feed only).Diagonal slots aid the removal and ejection of the core.Perfectly manufactured round back plate, especially important for the larger diameter holesaws. 4 drive pin holes for easier arbor location. Thick backs add strength and rigidity minimising vibrations. Back plate design - The back plates are constructed with thick steel thus the holes will not enlarge over time.Holesaw body - 1.27 mm thick steel holesaw body is rigid to retain its shape but also has built in elasticity.Due to the high wear resistance of the Matrix II material, these holesaws are ideal for cutting difficult and hard materials such as stainless steel and acid resistant steels as well as softer materials like wood. The teeth are then vacuum hardened to 65 HRC at a temperature of 600☌ to give maximum durability and life time. Bi-Metal construction - High speed steel teeth are laser welded onto a high alloy steel body. Matrix II steel contains 8% cobalt allowing the teeth to retain the original tooth hardness even at high working temperatures when used in metal cutting applications. Tooth material - Type Matrix II premium high speed steel is used for the toothed area of the holesaw.Requires less feed pressure - This is achieved by the combination of aggressive tooth geometry and good chip clearance resulting in the requirement of less force during drilling. Teeth are altenate side set to minimise binding and friction. Special shaped tooth angle has less tendency to snag on thinner materials. Deeper curved gullets provide more efficient chip clearance preventing clogging and heat build up. Improved heat dispersion during cutting ensures that the teeth stay sharper for longer. Tooth design - A variable 4 - 6 teeth per inch tooth design with a positive 10° tooth angle provides the following benefits: - Faster and more aggressive cut.
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