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E Type hole saw specially designed for drilling hole cutting hole in hard material such as glazed ceramic tile, porcelain tile, glass, marble, granite, fits dremel rotary tool, and very easy to use by following User Manual which explain each step with illustration.

The factory adopts the current advanced "vacuum welding process" to weld diamond to tip, make sure hole saw more durable.

How to quality assurance for E type hole saw during production.
.Every 15 minutes, Engineering Team check all process parameter to meet requirement.
.Every piece, worker on line check the diamond density with loupe.
.Every 30 minutes QC randomly take 3 samples from production line to check the diamond density and then drill glass, ceramic, porcelain to check the durability, meanwhile record X-Bar Chart for quality control.

Saw hole in glass bottle or glass tile.
.Saw hole with E Type hole saw.
.Enlarge hole to the size you want.
.Polish hole with H Type Rubber Bit inside packing box.
Drill hole in wall cover with shower porcelain tile.
.Saw hole in porcelain tile with E Type hole saw.
.Enlarge hole to the size you want.

Items inside Packing Box:
.7*E Type Hole Saws.
.4*H Type Rough Bits
.4*H Type Big Fine Bits
.4*H Type Small Fine Bits
.4*H Type Rubber Bits
.4*A Type Grind Bits
.1*A Type Rubber Bit
.1*Collet
.1*Triangle Drill Bit 5.0mm
.1*Triangle Drill Bit 6.0mm
.1*Triangle Drill Bit 8.0mm
.1*User Manual

• For glass, glass bottle, cutting hole diameter from around 1/4" to 5/8" (6.0mm-16mm) or bigger and used to drill hole cut hole in glass, glass bottle, glass hole saw, glass drill bit for dremel tool or common rotary tool
• For ceramic tile, porcelain tile, cut hole diameter from around 1/4" to 1/2" (6.0-12mm) or bigger and used to drill hole cut hole in ceramic, porcelain, flower pot, terra cotta, glazed ceramic tile, polished porcelain tile, marble, granite and shower tile, bathroom tile, drill hole for stone, jade, jewelry, Beach Glass, Sea Shells, Gemstones, drill bit for dremel rotary tool or other brand rotary tool, handheld Electric Drill
• Easier and quicker for building hole, no slipping, no skip, innovative method makes per hole costing lower. this product applies to household and contractor
• E Type hole saw specially designed for drilling hole cutting hole in hard material such as glass, ceramic, porcelain, marble, granite, good for drillling hole, fine detail work, cutting, engraving, carving, touch-up, finishing and Polishing fits dremel accessories, rotary tool accessory kit. It is more durable and not let you down
• Detailed User Manual. Be sure to buy your Rtree products from Rtreehouse, who is the ONLY seller authorized to sell this product