Product Name:99PCS/Set Twist Drill

Material: high speed steel

Specification and model:
Material: High speed steel
Handle type: Round handle
Cooling type (internal cooling / external cooling): External cooling
Cutting diameter (mm): 1.5-10/0.06''-0.39''
Shank diameter (mm:1.5-10/0.06''-0.39''
Length of chip holding groove (mm): 1.5-10/0.06''-0.39''
Total length (mm): 1.5-10/0.06''-0.39''
Cutting Angle: 135°degrees
Category: Straight shank fried dough twist drill

You will get:
99 Pcs Drill Bit Set: Including 16 pcs 1.5mm bits, 16 pcs 2.0mm bits, 15 pcs 2.5mm bits, 10 pcs 3.0mm bits, 10 pcs 3.2mm bits, 8 pcs 3.5mm bits, 8 pcs 4.0mm bits, 3 pcs 4.5mm bits, 3 pcs 5.0mm bits, 2 pcs 5.5mm bits, 2 pcs 6.0mm bits, 2 pcs 6.5mm bits, 2 pcs 8.0mm bits, 2 pcs 10.0mm bits.