Boring Big Holes
Boring big holes is bookmark about Accessories bookmarked by leonard with ID 13322285707 was uploaded on 29-01-2019 and has been viewed 148,102 times.
Synopsis: When Robert M.Vaughan faced a job that involved drilling 18,000 holes, he investigated drill-bit methods to see what would serve him best.(This article deems anything larger than 5/8-in.dia.as a big hole.
) If you are faced with a similar job, ask yourself a few questions before spending money: how often will you need to drill the holes, what precision of cut is required, and how quickly will you need to get the job done.
The article details each type of bit and recommends bits for different jobs: For precision holes, choose a Forstner or Multispur bit.For fast drilling, go with a sp*d* bit.Hole saws are good for installing locksets, and wing cutters and circle cutters are adjustable.
The article also explains the difference between cheap bits and pricey ones, and details how the 3D-Bit works...