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Plexi glass drill bit

Travis
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cliffyk Rising Star

cliffyk

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Drill bits for acrylic (and other plastic) sheets have a "pointier" tip anlge than a typical twist drill (60° vs. 120° to 135°) to minimise the drill chipping out a mess when it "breaks through" t'other side and chipping in general. Standard twist drills cal b e easily ground to make them into "plasic bits"...

 

DrillBitForAcrylic.png.9f9c07a65987b6816af48ed23d64de13.png

 

acrylic-drill-bits.jpeg.0b69649075a5aef7464dbc4120409be9.jpeg

 

Commercial plastic bits often have a rough, sand-blasted like finish on the steep exposed flutes.

AcrylicDrill.jpg.895791d33b27973989e4ea32614549ed.jpg

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