Gold Member Since 2016
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Changzhou Bomi Tools Co., Ltd.

DIN1869, DIN340, Long Length Drill manufacturer / supplier in China, offering High-Speed Steel 1/2"Shank Extra Long Drill Bits Size: 5/8"*12", Hex Shank Drill Bits with Quick Change Shnak 3/32, 9.5mm Replacement Twist Step Drill Bit Stop Collar and so on.

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Supplier Homepage Product long length drill High-Speed Steel 1/2"Shank Extra Long Drill Bits Size: 5/8"*12"

High-Speed Steel 1/2"Shank Extra Long Drill Bits Size: 5/8"*12"

Purchase Qty.:
100-499 500+
FOB Unit Price: US $15 US $8
Purchase Qty. (Pieces) FOB Unit Price
100-499 US $15
500+ US $8
Get Latest Price
Production Capacity: 1000000PCS/Year
Transport Package: 1PC / Plastic Box
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: bm-08-03
  • Length: Taper-length
  • Material: High Speed Steel
  • Size: 5/8"
  • Trademark: bomi
  • Origin: Changzhou Jiangsu
  • Customized: Customized
  • Type: Twist Drill Bit
  • Usage: Metal Drilling
  • Overall Length: 12", 480mm
  • Specification: 5/8"
Product Description
Long design for drilling deep holes and drilling through drill bushes.
135°,118°point angle,split point.
Ideal for industrial application
For drilling steel,cast steel,grey cast iron,malleable iron,sintered metal and low hardness alloyed materials.
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • For general purpose drilling in applications where extra length for reach is required, designed to perform in a broad range of materials in the iron and steel families
High-Speed Steel 1/2
High-Speed Steel 1/2
High-Speed Steel 1/2

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