Milwaukee® 48-20-4405 4-Cutter Rotary Hammer Drill Bit, 1-1/4 in Drill Bit, 3/4 in Spline Shank, 31 in D Cutting, Carbide Cutting Edge, 36 in OAL
Milwaukee®’s Spline 4-cutter rotary hammer drill bits feature a 4-cutter 4 x 90° tip geometry to avoid lock up in rebar, patented rebar chamfers for increased durability, and a high volume flute for fast debris removal. Used for drilling holes in brick, block, concrete, and reinforced concrete.
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BrandMilwaukee®
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UPC045242103829
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Manufacturer Part Number48-20-4405
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CountryUSA|Canada
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FinishUncoated
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Point TypeCentering
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MaterialSteel
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Flute Length31 in
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ColorSilver
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Type4-Cutter
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Applicable MaterialsBlock, Brick, Concrete and Reinforced Concrete
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Cutting Depth31 in
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Shank Size3/4 in
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Cutting DirectionRight Hand
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Cutting Edge MaterialCarbide
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Shank TypeSpline
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Drill Bit Size1-1/4 in
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Overall Length36 in
| Competitor Name | Cross-Reference Number |
|---|---|
| MSC | 84506856 |
| Grainger | 45L334 |
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Alternative Part Number8575849
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UNSPSC20111614
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IDEA Index ID8575849
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Package DescriptionEACH
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WarrantyNo Warranty
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Warranty Information
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Milwaukee® 48-20-4405 4-Cutter Rotary Hammer Drill Bit, 1-1/4 in Drill Bit, 3/4 in Spline Shank, 31 in D Cutting, Carbide Cutting Edge, 36 in OAL
Milwaukee®’s Spline 4-cutter rotary hammer drill bits feature a 4-cutter 4 x 90° tip geometry to avoid lock up in rebar, patented rebar chamfers for increased durability, and a high volume flute for fast debris removal. Used for drilling holes in brick, block, concrete, and reinforced concrete.
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Milwaukee® 48-20-4419 4-Cutter Rotary Hammer Drill Bit, 2 in Drill Bit, 3/4 in Spline Shank, 18 in D Cutting, Carbide Cutting Edge, 23 in OAL
Four cutter Spline bits have a series of 12 Spline that slide into an equal but opposite set of Spline in the drive system of the Spline drive hammer. This positive engagement of Spline to Spline allows maximum transmission of energy from the hammer to the bit. Superior quality Carbide nibs are vacuum brazed to a heat treated steel body resulting in four cutting edges which pulverize the concrete as the bit turns and pounds the work surface. Available from 5/8 in. to 1-1/2 in. diameters. 4 cutter style bits are also available in metric (from 16 mm to 38 mm). One per package.
Milwaukee®'s spline 2-cutter rotary hammer drill bits are used for drilling intro brick, block, and concrete.
Milwaukee® M12™ 48-20-7071 2-Cutter Heavy Duty Rotary Hammer Drill Bit, 7/8 in Drill Bit, 25/64 in SDS Shank, 6 in D Cutting, Carbide Cutting Edge, 8 in OAL
Milwaukee® M/2™ 2-cutter SDS Plus rotary hammer drill bits are the most durable 2-cutter bits with up to 20% more holes per charge in cordless rotary hammers. The enhanced rebar guards provide increased durability in hard aggregate and rebar. Breaker point pulverize the material more effectively resulting in faster drilling speeds. The variable flute allows for maximum debris extraction leading to up 20% more holes per charge in cordless rotary hammer while making it a very durable bit in corded and cordless rotary hammers. Additionally, M/2™ 2-cutter features a centering tip for exact spot drilling, wear mark indicator indicating when the bit no longer meets ANSI diameter requirements, and a reinforced flute for durability and minimized vibration. The increased life and efficiency of the M/2™ 2-cutter drill bit line provides the ideal solution in general concrete for cordless and corded rotary hammer users.
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