Pls click my username on the bottom right for more items. Ranging from 0.3-1.2mm, these drill bits are suitable for PCB, SMT, CNC and machining for molds, sculpture, plastic, copper and stainless steel.

FEATURES:

• A large scraps discharge space to reduce the drag and make it smoothly during the scraps discharge 
• Use of steel material and fine grinding process make a bit more sharp cutting edge, reduce cutting force, improve the quality of hole wall
• The cutting edges strictly avoid partial hole, ensure the quality of hole
• Varieties of drill bits to meet different requirements

SPECIFICATIONS:

• Condition: Brand new
• Material: Tungsten Steel(cutting part)+ White Steel(petiole)
• Color: As the pictures show
• Diameter of the shank: 3.175mm
• The whole length:38.mm
• Product specification: (Ranging From: 0.3 - 1.2 mm)

Diameter: 0.3mm-- Length of the blade: 4.5mm

Diameter: 0.4mm-- Length of the blade: 6.0mm    Diameter: 0.5mm-- Length of the blade: 7mm

Diameter: 0.6-1.2mm-- Length of the blade: 8-10mm

PACKAGE CONTENTS:

10 x Drill Bits 1 x Storage Case

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