Application: For precise drilling in soft and hard wood, large section beam, chipboard and plywood.
Features:
， High corrosion resistance in damp wood and humid areas, in shipbuilding and in salt water areas.
， Faster drilling and longer service life by the use of the new length wise grooves.
， Lower friction during drilling and even better chip flow by the use of the stepped drilling head.
， Screw threaded centre point for precisely locating the bit and for fast self-starting of the hole.
， Full length heat treatment guards against bending bit in heavy-duty applications.
Material: Made of high carbon steel with threaded tip.
Metric Sizes (mm) :
Diameter: 6, 8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28, 30, 32, 34, 35, 36, 38, 40mm.
Overall Length: 100mm, 125mm, 155mm, 200mm, 230mm, 250mm, 300mm, 400mm, 460mm, 500mm, 600mm, 650mm.
Imperial Sizes (Inch) :
Diameter: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2".
Overall Length: 4", 5", 6", 8", 9", 10", 12", 16", 18", 20", 24", 26".
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