4pcs Bridge/Construction Reamer Set, 3/8", 1/2", 5/8", 3/4”, M2 HSS Taper Chucking Reamer Drill Bit for Steel Alloy Aluminum Metal Wood Plastic, 3/8" or 1/2" Shank, to Enlarge/Align Holes

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About This [M2 HSS material]: Compared to other commonly used lower grade HSS, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving the du rability. It's suitable for FREQUENT use on mild steel or any softer material, and OCCASIONAL use on stainless steel. For frequent use on stainless steel, it's better to turn to our higher grade - M35 reamers. [Spiral Flutes & Safety stop]: Left Helix/Right Hand Cut sheers chips away from operator. Safety collar stop to prevent over penetration and operator loss of stability. [Tapered point]: Allow entry into overlapping holes. [Application]: Enlarge or align existing holes through mild steel, alloys, aluminum, wood, plastic, fiberglass or any similar hardness material prior to rivet or bolt installation. Commonly used in bridge, construction, steel erection/fabrication, and automotive (truck & trailer) industries. Up to 3/8"(10mm) thick mild steel for impact driver or 1" (25mm) thick for Magnetic drill press. Notice: it requires existing hole or a pilot hole would be needed. [Sizes]: 4 pieces, including 3/8" (fit 3/8'' shank chuck), 1/2", 5/8" and 3/4" (fit 1/2'' shank chuck). Overview Cutting Diameter : 9.53 Millimeters Finish Type : Aluminum Shank Type : Straight Brand : Jerax tools Tool Flute Type : Spiral Show more