They are essential Special Dia.5.0-8.0mm drilling bits for shakuhachi and bamboo flute hole drilling.
1 inch=25.4mm.
The Drill bits are suitable for all types of bamboo, High-strength tungsten steel alloy is strong and durable, and Tools are used inside the musical instrument factory without cracking or peeling, Please use an electric drill without shaking when drilling.
The Dia. of the drill bit:5.0,6.0,7.0,8.0mm.Overall length: 70mm, Working length: 40mm,Drill shank diameter:10mm.
Please choose your need The Dia. of the drill bit and order Amounts.
Mixed Order is ok, just send me a message for detail requests.
Processing Time: 4-5 days. Transportation is free, with 2-3 weeks delivery time postal air freight for packages under 20 kg. Heavier items are shipped via sea or rail—door-to-door service with a tracking number.