Place of Origin : Dongguan,China
Delivery Terms : DHL FEDEX UPS
Delivery Time : 3-7 Days After Relevant Paying Done
Product Capacity : 1million
Payment Terms : Western Union

material: original tungsten carbide
tolerance:0.005mm
HRC:55
exclusive: for pcb, aluminum, copper
drilling holes: 2500-3000, stable
flute diameter: 0.1-6.5mm
flute length:2.0-12mm
shrank diameter:3.175mm
overall length: 38mm
test first, best prices, delivery fast, packaging nice and quality.