Milwaukee Ice Hardened products utilize a proprietary cryogenic hardening process that improves upon traditional heat treat processes. Unlike surface coatings that wear away, cryogenics harden to the core by minimizing soft metal (austenite) and creating more hard metal (martensite). The result is a product that is more consistently hard throughout, resulting in life up to 50% longer than the competition.
• Ice hardened for up to 50% longer life than the competition
• Matrix II Bi-metal teeth for greater durability
• Positive rake angle for fast cutting
• Raduised tooth back reduces stress on teeth
• Deeper gullets for fast chip removal
• Functional slot geometry provides easy plug removal
• 4-1/4 in. Ice Hardened Hole Saw - 49-56-0223
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