Feature

●MULTI-PURPOSE: Diamond grinding burrs made of high speed steel coated with diamond particles, extremely sturdy and wear resistance. Great for polishing stone, glass, ceramics, tile, brick,fiberglass, rock etc.
●30PCS DIFFERENT DRILLING BITS: 30pcs different drilling bits with 3mm shank diameter, 45mm/1.77in length and 150grit. Different shaped drill bits for fine-detail drilling with the cutting power of diamond.
●BLACK NI TREATMENT: Metal cutting tools adopts black NI treatment greatly improves hardness, easily cuts glass, stone, tile, etc. Shank diameter approx. 3mm/0.12in, length approx. 45mm/1.77in.
●ENSURES THE STABILITY OF GRINDING: CNC milling handle bar without skipping, ensures the stability of grinding. High-strength and high-temperature resistant, durable and will not drop sand.
●SATISFACTION GUARANTEE: All our product offer return policy or money back guarantee, if you have any problem about your purchase, pls communicate with us by Email, we are always here to make everything right for you.


Description

Features
1、MULTI-PURPOSE: Diamond grinding burrs made of high speed steel coated with diamond particles, extremely sturdy and wear resistance. Great for polishing stone, glass, ceramics, tile, brick,fiberglass, rock etc.
2、30PCS DIFFERENT DRILLING BITS: 30pcs different drilling bits with 3mm shank diameter, 45mm/1.77in length and 150grit. Different shaped drill bits for fine-detail drilling with the cutting power of diamond.
3、BLACK NI TREATMENT: Metal cutting tools adopts black NI treatment greatly improves hardness, easily cuts glass, stone, tile, etc. Shank diameter approx. 3mm/0.12in, length approx. 45mm/1.77in.
4、ENSURES THE STABILITY OF GRINDING: CNC milling handle bar without skipping, ensures the stability of grinding. High-strength and high-temperature resistant, durable and will not drop sand.


Specification:
Item Type: Grinding Bits
Material: Diamond
Color: As Pictures Shown
Grit: 150 Grit
Shank Diameter: Approx. 3mm/0.12in
Length: Approx. 45mm/1.77inQuantity: 30pcs/set
Bits Diameter: Shown as the chart
NO.Head ShapespecificationNO.Head Shapespecification1Inverted trumpet3 x 45 x 2mm16Cylindrical flat head3 x 45 x 3mm23 x 45 x 2.5mm173 x 45 x 3.5mm33 x 45 x 3mm18Small tip with arc3 x 454Sphere3 x 45 x 1.5mm19Flame shape3 x 45 x 3mm53 x 45 x 2.5mm203 x 45 x 3mm63 x 45 x 3mm21Bullet3 x 45 x 3mm7Cylindrical flat head3 x 45 x 1mm22Bullet3 x 45 x 2.5mm83 x 45 x 1.5mm23Big tip with arc3 x 45 x 3mm93 x 45 x 2mm24Conical3 x 45 x 3mm103 x 45 x 2.5mm25Flat cone3 x 45 x 3mm113 x 45 x 3mm26Needle3 x 45 x 1.2mm123 x 45 x 3.5mm273 x 45 x 1.2mm13Cylindrical flat head3 x 45 x 1.5mm283 x 45 x 1.2mm143 x 45 x 2mm293 x 45 x 3mm153 x 45 x 2.5mm303 x 45 x 3mm
Package List: 1 x Grinding Bits Set (30pcs)