|Holes can be drilled in all thicknesses of glass but must be processed in toughened and heat strengthened before furnacing. Holes are generally as drilled unless processed for toughening.|
|Holes can be countersunk in toughened glass before
toughening for accommodating mechanical fixings. Standard bush is held at
toughening lines for sizing purposes.
Drill Sizes Stocked at Toughening Lines
|The available holes are :|
|5mm, 6mm, 6.5mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm,
13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 25mm,
26mm, 28mm, 30mm, 34mm, 35mm, 40mm, 42mm, 45mm, 50mm, 58mm, 60mm, 66mm,
80mm max drill size.
|Finger pull/thimble hole size = 21mm.|
|Plunger lock hole size = 19mm.|