Not sure whether to use dry or wet bits? The point angle, or the angle formed at the tip of the bit, is determined by the material the bit will be operating in. The lip angle determines the amount of support provided to the cutting edge. A very acute point angle has more web surface area presented more...
All sizes have a 5/8″-11 thread. This is a good option for concrete block walls but will not perform well in poured concrete. It is also harder to remove the cut out material from the bit and possibly over-drills into material you don’t want to hit. www.youtube.com/watch?v=LsxJOUAJRg4 Tool more...
The drill bit smoked and turned cherry red. Any geologist will tell you that some rocks are far harder than others. Using a drill with a different arbor? If you do choose to drill near water or with attachments under water connected to your drill then you do so at your own risk. I then switch on more...
Please reduce the number of selections to continue. Bosch 11-piece diamond core kit and single diamond drill bits in a range of sizes, all the way up to 83mm diamond hole-cutters. Please enter a valid quantity for the highlighted quantity field(s). Ideal for dry cutting clean holes in masonry. more...
You get a number of benefits, described in more detail below. In other words, woodburning and energy efficient houses don’t really suit each other very well, unless you have some way to store heat so that your stove can operate in the “clean” range all of the time. Masonry heaters fill the b more...