Milwaukee 1-1/8"X22" 4-C SPLINE R/HAMMER BIT MWK 48-20-4390
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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UPC045242103768
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Manufacturer Part Number48-20-4390
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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 Length17 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 Depth17 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 Size1-1/8 in
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Overall Length22 in
| Competitor Name | Cross-Reference Number |
|---|---|
| MSC | 88952866 |
| Grainger | 45L331 |
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Alternative Part Number8575820
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UNSPSC20111614
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IDEA Index ID8575820
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Package DescriptionEACH
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Standards/ApprovalsANSI Specified|CSA Approved
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WarrantyNo Warranty
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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® M12™ 48-20-7075 2-Cutter Heavy Duty Rotary Hammer Drill Bit, 7/8 in Drill Bit, 25/64 in SDS Shank, 16 in D Cutting, Carbide Cutting Edge, 18 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.
Milwaukee®'s spline 2-cutter rotary hammer drill bits are used for drilling intro brick, block, and concrete.
Milwaukee® M12™ 48-20-7080 2-Cutter Heavy Duty Rotary Hammer Drill Bit, 1 in Drill Bit, 25/64 in SDS Shank, 8 in D Cutting, Carbide Cutting Edge, 10 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.
