PTC - Small Diamond Crowns (6 - 10mm)

  • Product Code: Small Diamond Crown
  • Availability: In Stock
$0.00 Ex Tax: $0.00

Ultimate durability for small diameter holes in porcelain tiles

For producing fixing holes in the hardest of tiles including grade 5 porcelain, granite, marble, slate, ceramic, glass, travertine and many others

Features:

  • Thin wall continuous diamond crown hollow core design for fast efficient cutting and extended life.
  • Perfect combination of diamond grade and precision manufacturing provides exceptional product strength and massively enhanced tool life.
  • Slug collection and ejection compartment.
  • Can be used in both corded and cordless drills.
  • Comes with matching size of pro masonry drill bit.
  • To be used in conjunction with water feed unit (DGTDWF5-35); Water Feed Kit (PTCWFKIT); and PTC Sticky Guide Pads (PTCMULTIGP25) – a purpose designed water delivery system for crown cooling and efficient spoil removal.
  • The PTC cooling system helps to prevent the cracking of tile sometimes caused by dry cut systems, overheating tiles.

 

 

Diameter

Size mm

Overall Length

mm

Working Length 

mm

Max. Recommended 

Tile Thickness

Part Number

6.0 55 20 20 (wear) PTC06.0CRM
6.5 55 20 20 (wear) PTC06.5CRM
7.0 55 20 20 (wear) PTC07.0CRM
8.0 60 20 20 (wear) PTC08.0CRM
10.0 65 25 25 (wear) PTC10.0CRM

User Instructions

Tightly secure the PTC Small Diameter Diamond Crown in the chuck

Choose the desired starting method:-

  • PTC Multi guide pads - Remove guide pad from backing and push firmly onto clean dry tile ensuring correct size guide hole corresponds with desired position for tile hole. Place crown through guide hole, start water flow and commence drilling at optimum speed range (700-900 r.p.m).
  • “Leaning-in” method - Start water flow, hold drill at an angle to the tile over the desired hole position. With drill revolving press firmly onto the tile forming a “score” on it’s surface. Whilst maintaining pressure gradually bring the drill perpendicular to the tile.
  • Whilst continuing through the tile, employ a slight rocking motion to the drill. This improves drilling speed and reduces the risk of the cores becoming jammed.
  • As soon as the crown has broken through the tile, stop drilling. Switch to the relevant drill bit for producing a hole beyond the tile for any fixing.
  • Tile cores can be pushed backwards through the ejection slot in the body of the crown.
  • Do not attempt to drill a hole with a tile core in the end of the crown.

Tips and Techniques

  • When drilling a loose tile, the tile must be supported across its entire area on something perfectly flat that isn’t going to damage the cutting edges of the drills e.g. piece of flat wood, mdf, chipboard etc.
  • If possible, clamp loose tiles to prevent possible movement on breakthrough. Movement of the tile can cause large diameter drills to “grab” which could cause personal injury or cracked tiles.
  • When drilling with PTC diamond drills close to the edge of a tile, the advised “rocking” motion of the drill should be minimised to reduce the risk of levering the edge of the tile off near to the hole.

Safety

Please ensure that the following safety guidelines are adhered to at all times when using or handling the PTC drill bit

  • Wear suitable eye protection at all times during assembley and operation.
  • Safety gloves should be worn at all times.
  • Ear defenders should be worn whilst drilling.
  • Whenever the drill is not in use, ensure that the power is turned off.
  • Wear a dust mask whilst drilling.
  • Use an RCD device if using an electric power tool.

Water Cooling

Always use a constant flow of water to the cutting edges of PTC products. This reduces heat build-up and washes away the abrasive porcelain dust.

Please go to PTC - Tile Drilling Accessories for the best water delivery methods.

Materials

The PTC drill bit has been primarily designed for use in hard fired, vitreous porcelain tiles, however the drill bit will perform in a variety of other materials such as: -
Porcelain tiles, ceramic tiles, granite, marble, clay tiles.
Due to the vast range of different grades and hardness of available tiles, the PTC will perform at different levels. As a general rule, the harder, more dense and abrasive the tile, the slower it will be to drill the tile and the fewer number of holes will be produced.

PEI Tile Rating Scale

Class 0 Decorative use only, not recommended for use on floors.

Class I  Light traffic, for residential bathroom floors, no direct outside access.

Class III Medium to heavy traffic, all residential application. Commercial applications which are similar in traffic to residential applications. Specifically excepted, are areas of prevalent circulation or turning points.

Class IV Heavy traffic, all residential and most commercial applications such as the area of halls, hotels, restuarants, supermarkets, shops and schools.

Class V Extra heavy traffic, all residential areas and commercial applications similar to Class IV where extra durability may be required. Commercial usage, industrial applications.

Speeds/Machine Types/Drilling Modes

The optimum operating speed for the drill bit is 700-900 rpm. Using PTC diamond crowns above this speed range will cause water starvation at the cutting edge, overheating and possible failure of the product. Using the crowns at a slower speed has no detrimental effect but will slow down the cutting process resulting in more water being used.

PTC products are designed to be used in rotary mode only. DO NOT use hammer/impact mode.

Material Chart

 

Machine Recommendations       

 

 

 

Tags: PTC06.0CRM, PTC06.5CRM, PTC07.0CRM, PTC08.0CRM, PTC10.0CRM, PTCWFKIT, PTCMULTIPGP25, PTCMULTIGP100, Plaster-backed tiles, Ceramic, Natural slate, Travertine, Marble, Granite, Quarry tiles, Porcelain, Waste pipe, Water feed pipes, Fising holes, Shower mixers, Flue passage, Extractor fans, cable entry / exit

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