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Cork Borer 8 Piece Brass 4mm to 10mm, US $190 – Picture 0
Cork Borer 8 Piece Brass 4mm to 10mm, US $190 – Picture 0

Cork Borer 8 Piece Brass 4mm To 10mm

US $190

  • adelaide, Australia
  • Jun 21st
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Cork Borer 8 Piece Brass 4mm to 10mm  Description: Used to bore holes in rubber and cork stoppers.   Payment: Paypal support@sciencesupply.com.ai   Shipping: FREE SHIPPING !   Terms: Based on Common sense & Empathy. Important Notes :Our glass is NOT Made in China. Please factor this into your considerations, as often Chinese Glassware, is thin, bad quality, and cheap. Cork Borer 8 Piece Brass 4mm to 10mm x1 As we get older, we always improve our stock, and with these new buggers, they are no exception. Much better craftsmanship, welding etc. A cork borer, often used in a chemistry or a biology laboratory, is a metal tool for cutting a hole in a cork or rubber stopper to insert glass tubing. Cork borers usually come in a set of nested sizes along with a solid pin for pushing the removed cork (or rubber) out of the borer. The individual borer is a hollow tube, tapered at the edge, generally with some kind of handle at the other end. A separate device is a cork borer sharpener used to hone the cutting edge to more easily slice the cork. Avoid these, as you can use a file or sandpaper to achieve a much better result.   Cork borers are also used to take samples from living trees, for tree ring analysis (dendrochronology), and for taking samples for experiments when a constant diameter is required, e.g. When testing the water potential of a potato, a cork borer is used to maintain a constant surface area. Cork borer is also used to punch holes on an agar plate, to perform Well Diffusion assays in microbiology to study Bioactivity.   Tips Use oil or grease, and work in slow. I feel a strange euphemistic double entendre coming on, but will resist.  Just be patient, and use a rag on your hands if they get sore. Alternatively, you can cut off the handle, and shove them deep into a drill press , Oil up and work in slow, a bit at a time. (jesus, there I go again.) To keep the tips sharp, just get some emery paper, wet and dry, and sand inside and out. Simples Warnings: Avoid cheap units, as I have fallen prey, an they are just bloody useless.   We do not answer messages on Sat, Sundays or Public holidays. Sorry for the inconvenience.   Powered by eBay Turbo Lister

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