DRILLPRO 3-13MM Titanium Coated Step Drill 1/4 Inch Hex Shank Stepped Drill

DRILLPRO 3-13MM Titanium Coated Step Drill 1/4 Inc

Online Shopping Description:DRILLPRO 3-13MM Titanium Coated Step Drill 1/4 Inch Hex Shank Step Drill BitSpecification:Material: HSSSurface treatment: titaniumShank :1/4 HexagonalSize: 3-13mm (11 steps: 3,4,5,6,7,8,9,10,11,12,13mm)Tools: pistol drill, bench drill.Shank: 7mm(dia),30mm(L)Total: 77mm(L)Qunantity: 1pcAllow 1-3mm measurement error. Features:1, The ladder of its unique structure, a bit can open a variety of specifications of aperture.2, Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.3, Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable,but it is possible.4, The use of tools: drill, bench drill.Work while water cooling, can effectively extend the service life of drill bit.5. High-speed steel, used in hardness under 25 workpiece, the plate thickness under 5 mm. such as carbon steel plate, sheet iron, insulation boards, wood. Cannot be used for stainless steel. Package Included:1x 3-13mm Step drillMore Details: amazon 60% off Shopping | Glasses, cameras, dress, cloth, watches, shoes, baby dress party dress

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Online Shopping Description:DRILLPRO 3-13MM Titanium Coated Step Drill 1/4 Inch Hex Shank Step Drill BitSpecification:Material: HSSSurface treatment: titaniumShank :1/4 HexagonalSize: 3-13mm (11 steps: 3,4,5,6,7,8,9,10,11,12,13mm)Tools: pistol drill, bench drill.Shank: 7mm(dia),30mm(L)Total: 77mm(L)Qunantity: 1pcAllow 1-3mm measurement error. Features:1, The ladder of its unique structure, a bit can open a variety of specifications of aperture.2, Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.3, Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable,but it is possible.4, The use of tools: drill, bench drill.Work while water cooling, can effectively extend the service life of drill bit.5. High-speed steel, used in hardness under 25 workpiece, the plate thickness under 5 mm. such as carbon steel plate, sheet iron, insulation boards, wood. Cannot be used for stainless steel. Package Included:1x 3-13mm Step drillMore Details: amazon 60% off Shopping | Glasses, cameras, dress, cloth, watches, shoes, baby dress party dress