Concrete Hole Saw Drill Bits SDS Plus Tungsten Carbide Masonry Cement Hole Saw Kits 1-3/8

Material: Welded from high-quality tungsten carbide, integral heat treatment, high temperature quenching, high density, high hardness, not easy to burr, good toughness, tungsten steel cutter head, sharp and durable, long service life, very suitable for concrete, brick, cement and other structural wall openings. High opening efficiency: 135-degree finely ground tungsten steel cutter head, sharp and durable, easy to cut into the wall, fast opening speed, and ensure the hole is smooth Precise hole positioning: Equipped with 3 center positioning drill bits, the positioning drill bit can make sure that the hole opening located in correct place. NOTE: After positioning, please take out the central positioning drill bit and then continue to open the hole. This saves time and effort, and it can extend the life of the center drill. Smooth chip evacuation: Each hole opener is designed with a chip evacuation hole, which can realize double chip evacuation inside and outside, with high chip evacuation efficiency, which can prevent the clogging of chips effectively.And come with a long SDS plus shank connecting rod(length about 8-7/10 Inch), which can realize long-distance drilling. Package included: Total come with 3pcs hole saw: 1-3/8″, 1-31/32″, 2-9/25″, 1pcs 8-7/10″ SDS Plus connecting rod, 3pcs 4-1/3″ center positioning drill bits. These hole saw kits can compatible with light hammers and widely used in indoor and outdoor decoration work. br Features: /b br These concrete hole saw kit are welded from high-quality alloys, integral heat treatment, high temperature quenching, high density, high hardness, not easy to burr, good toughness, tungsten steel cutter head, sharp and durable, long service life. br The center positioning drill bits have strong wear resistance and sharp cutting. br The blade head of these concrete hole saw kits designed with cross type, which is more stable and not easy to slip when drilling. br These hole saw kits can compatible with light hammers and widely used in indoor and outdoor decoration work, and very suitable for concrete, brick, cement and other structural wall openings. br Specification: /b br Material: Carbide Alloy and Tungsten br Blade head of hole saw: cross type br Size: 3pcs hole saw, 1-3/8, 1-31/32, 2-9/25 Inch br 1pcs SDS plus connection rod: length about 8-7/10 Inch br 3pcs center positioning drill bits: length about 4-1/3″ br Package Included: /b br 3Pcs concrete hole saw kits br 1pcs SDS plus connecting rod br 3pcs positioning center drill bits br 1pcs screw

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