Sharpening Rotary Hammer Concrete Drill Bit - DIY Home …
2012年2月2日 · He had amazing sharpening equipment and this one drop dead gorgeous Russian woman who did specialty bits like yours. Obviously if you have chewed the specialty head off a masonry bit, you cannot put it back on but it can be sharpened and even re-tempered for an impact drill. To a point.
A bit disappointed with Chicago Latrobe drill bits
2018年1月26日 · The description of the 750X says it will sharpen bits from 3/32 to 3/4". I think they claim it can do masonry bits too. That would be real nice. I have several old masonry bits that are pretty much useless but may be worth saving if I can sharpen them. But like you are telling me, I am skeptical about its ability to properly sharpen the smaller ...
Why can't I drill into concrete, with a masonry drill bit??
2022年7月3日 · 1. regardless of which kind of which kind of hammer drill I get, I definitely need good-quality carbide masonry drill bits 2. I can choose between normal hammer drill or rotary hammer drill rotary hammer drill is much more expensive, but can handle drilling concrete more easily, especially aggregate, which may have rocks embedded in it. 3.
Good HSS drill bit set? - DIY Home Improvement Forum
2017年4月20日 · Hi; I have been frustrated working with big box store "hss" drill bits. Last time, I purchased a set of Milwaukee "black oxide" bits, but they are losing their sharpness too quickly, and I'm not drilling anything really tough - mostly EMT, fence posts (I think both are galvanized steel), plastics, wood, and yesterday I ruined a 1/4" black-oxide bit …
Good quality drill bits for masonry / ceramic tile
2022年8月31日 · Hey guys; I need to drill some holes through/into masonry and ceramic tile (separate jobs). I have a Makita cordless hammer drill, and a 5-pack of Bosch Daredevil Multi-Purpose Carbide drill bits, which has been working fairly well for me, however, I want a back-up set so I don't need to run to the DIY store midway through a project when the bits become too dull to …
drilling holes in concrete not working, what now? | DIY Home ...
2012年6月13日 · Tony is right. Use a hammer drill with masonry bits. Makes all the difference. First time I'd ever used one was after wasting time using a masonry bit in a regular drill. Barely any progress. With the hammer setting (corded 1/2" capable hammer drill) it drilled out the hole literally in seconds.
w/t on masonry drill bits | DIY Home Improvement Forum
2008年3月2日 · FWIW, using a cordless impact drill with masonry bits - no matter how good or expensive they may be - to drill into concrete is a waste of time and drill bits. Not enough ooomph or constant speed and BPM's to get the job done. For those reasons, I never regretted selling my DeWalt 18V impact drill or buying my corded Bosch to replace it.
Drill bit sharpening - DIY Home Improvement Forum
2013年6月5日 · We have a Drill Doctor unit at work, it works, sort of, it doesn't give the greatest results. It cant sharpen bradpoints, multi spur bit, and does a lousy job on any bits smaller than about 1/4" We just buy bits in bulk, most of the times smaller ones break before ever needing sharpening anyway. Personally I wouldn't waste my money on a sharpener.
I went to the Drill Doctor - DIY Home Improvement Forum
2024年5月23日 · I used my older but freshly DD500x sharpened 0.440 in. diameter bits, that were the same name brand HS drill bits. My drill test steel plate I used was a cold steel 0.4100 in. thick plate. The test was done using no pilot holes, 3-1 0ne for cutting oil, and using my Ryobi 1/4 H.P. 10 in. bench drill press.
7" Tapcon drill bit wobbles?? - DIY Home Improvement Forum
2011年6月21日 · Naturally, I had to buy a corresponding drill bit. Got the Tapcon branded SDS drill bit size 3/16" x 7" and was excited to finally get this project finished. Tightened the drill bit into my Makita drill (it is a one-speed but has a hammer drill option) and gave it a whirl only to find that there's a huge wobble at the tip of the drill bit!