10Pcs 3/16\" inch (4.5 mm) Lapidary Super-thin DiamondCoated Drill Bit Hole Saw 0.5 mm Rim Save Materials for Jasper Glass

Itemspecifics

Model: Diamond Hole Saw Drill Bit

Type: Hole Cutter

Hole Diameter: 4.5mm(close to 3/16\" inch)

Shank Diameter: 4mm

TotalLength: 46mm

Drill depth: 20mm depth

Rim Thickness: only 0.5 mm

Quantity: 10 Pcs

ProductDescription

1.This diamond drillbit will perform well on any kind of rock.

It has held up extremely well and drilling just about any kind ofrock, from the very soft Petoskey Stone fossils to hard jasper and agate ofprecious materials
Especially suitable for use on hard lapidary materials like agate,jasper, petrified wood and geodes.

2.Apply to drillingthe glass of watch, optical glass and super-thin glass;

3.Used in ceramicsand glass (architecture glass, automobile glass, LCD glass, quartz glass,ultra-thin glass, etc.) widely.

4.Water or coolantmust always be used to cool and lubricate the tip.Productperformance and advantages:

Good Performance and long life:Super-thin drill bits are made of high quality fine diamond plating, it’s moredurable than common diamond bit!
The super-thin Electroplateddiamond drill bits are one ofthe finest drill bit manufactured for Hobby, Lapidary, Glassapplications.Excellent for making clean and accurate hole on brittlematerials , such as agate, jasper, glass, tile, granite and marble
The super-thin Electroplateddiamond drill bits are verysmooth and thin to meet the most exacting faceting requirements.
They can offers a very good cost effective option for those thatwant very thin kerfs.

Diamond drill bit very thin, save material: the front part of the drill bit’s thickness is only 0.5 mm, thematerial of Processed aren’t damaged during drilling process, can reducematerial consumption maximize, especially suitable for high value jade, agate,jasper, petrified wood and geodes.

Hole drilling high precision: neat,smooth, no broken edge.

High drilling efficiency: Sharp,improve the drilling speed, Drill a Holes In Seconds

QuickTips

1.Please addwaterfor coolantanddrill slowly

2.Start drill at 45Degree to surface and align to 90 Degree as hole forms

3.Never use drillswhile machine is in hammer action.

4.Holes Require NoFuther Work As Cutting Is Clean

5.Just fill withordinary electric drill or rotary tool, works better with a electric drill (Excluding in this item )

Regular Air postage from China to UnitedStatesand takes 15-30 days delivery to your home

We will send out your order within 1-2days after payment has been received and cleared. Please let us know if you arelooking for other accessories or hardware.

We Can List AnySize & Amount Of This Product: Hole Diameter from 2.5mm - 100mm