1.Dia:3-13mm
2.Length:60-100mm
3.Suitable for:clinker,concrete,brick,natural or artifical stone.
4.Pakage: hangtag,pouch bag
Port: ningbo or shanghai
Minimum Order Quantity: 500 Piece/Pieces
Supply Ability: 1000 Piece/Pieces per Month
Payment Terms: T/T,Western Union
Contact SupplierPackaging Detail: plastic box,paper case.
Delivery Detail: 30-40days
1,spear point reduces cutting pressure for cleaner holes.
2,cuts a perfectly round hole without chipping or breaking.
3,best result with lower rpm and good cooling with water, vinegar and turpentine.
4, for use with rotary drills only.
5,for drilling glass, tile, mirrors and ceramics