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10PCS High Speed Steel Miniature Engraving Drill Bits Variable Diameter Twist Reaming Drill Bits 10 Sizes 0.6 to 2.2MM for Jewellery Amber Beeswax Resin Circuit Board Leather Wood Drilling

KWD 4
Brand
CHENJIN
Weight
16 g
All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
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Special Features

  • The kit includes 10 drills in a variety of sizes with blade diameters ranging from 0.6 mm to 2.2 mm. Each size is represented by one piece for a variety of drilling needs
  • Fully abrasive spiral flute design quickly removes particles, reducing friction and heat for faster, cooler drilling. Straight shank prevents walking, ensures precise drilling and greatly increases productivity
  • Twist drill bits are made of hardened high-speed steel, titanium-plated, with hardened and ground cutting edges for superior sharpness and durability. Featuring a chatter-free design with excellent toughness, high hardness and rust resistance to ensure they won't break easily
  • Drill features a 2.35 mm uniform shank diameter that provides easy clamping. Large chip space allows for easy and fast chip removal. When drilling, foam must be released to prevent bursting due to powder clogging
  • For drilling and engraving materials such as jewellery, amber, beads, beeswax, resin, circuit boards, leather, wood, olive, walnut, etc.

Description

Specification:
Colour: Golden
Material: HSS (High Speed Steel)
Shank diameter: 2.35 mm
Size: 0.6mm/0.8mm/1mm/1mm/1.2mm/1.4mm/1.5mm/1.6mm/1.8mm/2.0mm/2.2mm (10pcs)

Features:
1. pocket twist drill bit set is easy to store in tool box or pocket.
2. Large chip space and low resistance ensure efficient drilling.
3. Suitable for drilling holes in jewellery, amber, beads, beeswax, resin, circuit boards, leather, wood, olive, walnut and more.

Instructions for use:
1. please handle these tiny drills with care and ensure correct placement.
2. not suitable for use on hard materials such as steel, copper, iron or concrete.
3. always apply vertical and even force rotation to prevent breakage.
4. When using a drill with an electric drill, it is recommended that it be used at low speeds and drilling pressure. The thicker the drill, the slower the speed and pressure should be used
5. Friction builds up heat between the drill bit and the workpiece. Watch for heat and add water or coolant if necessary.

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