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مميزات خاصة
Hole Enlarging Drill Bits
【See the second picture of the variant for detailed parameters】
【See the second picture of the variant for detailed parameters】
وصف
Hole Enlarging Drill Bits
Specification:
Type: Countersink Drill Bit
Material: High Speed Steel
Degrees: 90
Size Including: 4.5mm 6.3mm 8.3mm 10.4mm 12.4mm 16.5mm 18mm 20.5mm 25mm 30mm 35mm 40mm 50mm
Application:It is suitable for use in the work-piece which the hardness is under 25 degrees, such as aluminum sheet, thin iron plate, the insulatuing board or PVC board.