RobHayes
Member
Registered: 6th Sep 03
Location: Lincolnshire
User status: Offline
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hi guys, just had an idea that i wana keep to myself, but i need to know whether it is possible to drill a hole thru glass ie thru a window?
cheers
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morrisdaboss
Member
Registered: 11th Jun 03
Location: Feltham, have you?
User status: Offline
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wear goggles 
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RobHayes
Member
Registered: 6th Sep 03
Location: Lincolnshire
User status: Offline
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ok, anyone get any sensible comments
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R Lee
Member
Registered: 15th Aug 03
User status: Offline
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i know you can cut it, but don't know about drilling. would've thought it'd crack the glass.
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L330wnz
Member
Registered: 9th Mar 04
Location: Norwich, Norfolk
User status: Offline
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there are special tools for cutting class, search on the net maybe matey?! 
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wainey
Member
Registered: 20th Oct 02
Location: walsall west midlands
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yep they are specially designed cutting tools like your normal hole cutters or i think theres one which scores round kind of like a compass and just pops the hole out! my mates got some as he got a window business so u can get em!
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morrisdaboss
Member
Registered: 11th Jun 03
Location: Feltham, have you?
User status: Offline
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wearing goggles is not sensible?  chill out dude dont come runnin if you lose an eye.
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Mav 3000
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Registered: 16th Aug 01
Location: Leicestershire
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Id have thought you'd put selotapeover the area and mark the 'target', then use a small pilot hole - then work up through the drill bits until you reach the right size.
Only a guess though.
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kash
Member
Registered: 21st Jan 04
Location: The Toon
User status: Offline
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What glass? in your house, car, where?
Car glass is made to shatter upon impact, and I reckon even with a sharp drill you'd be up against it!
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Kris TD
Member
Registered: 25th Mar 02
Location: Ware, Hertfordshire
User status: Offline
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no it will shatter. its safety glass.
if you wanna do something like put a fuell filler cap in teh window then you need to use a perspex window like rich_s did when he did that too his corsa.
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Amavi Automotive
Member
Registered: 13th May 04
Location: Hampshire
User status: Offline
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you can get special drills purpose made for machining glass, i have a feeling they're diamond tipped tools.
either way, it is possible.
Will
[Edited on 18-06-2004 by Amavi Automotive]
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corsa_godfather
Member
Registered: 6th May 03
Location: Greenock,Scotland
User status: Offline
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u cant drill safety glass.the safety glass (toughened) is put throught a machine at 180 degrees then instantly put in to a machine at -180 degrees and thats how they make the safety glass.if u drill ur car window it will smash in to cubes
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mike_1.2LS96
Member
Registered: 23rd Oct 03
Location: Darlington | Mazda 323 1.8 Exec
User status: Offline
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Where we work, we have CNC machines to cut lenses for glasses, and drill holes. The glass is toughened and you just use normal high speed steel drill bits.
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MikeH
Member
Registered: 3rd Apr 03
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As far as i know, if you make any imperfection (ie. start drilling) in toughened glass the WHOLE lot will shatter.
Toughened glass is formed by cooling the outside "skin" faster than the inside of the glass hence building in initial stresses in the material. If any inperfection is formed theese internal stresses become inbalanced and the glass will shatter! (i'm just finished a 4 year degree in engineering  )
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Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
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We like a nice technical answer cheers Mike 
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sfxer
Member
Registered: 23rd Aug 00
Location: devon, england
User status: Offline
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yep indeedy, most informative answer in months.
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