Do drill bit sharpeners work? - Grassroots Motorsports
2011年12月1日 · I sharpen about 5 to 10 drill bits every day for students - I use a grinding wheel and can sharpen them lickity-split. They may not be "perfect," but they work for the accuracy that my students can muster (we use 3/16" roll pins in one project - man, I've sharpened a lot of 3/16" bits). Trans_Maro Dork.
Do drill bit sharpeners work?| Off-Topic Discussion forum
2011年12月3日 · They are and they cut like crazy but a drill doctored bit cuts a more accurately sized hole almost every time. If you have a precision ground 1/4" roll pin, take a well hand sharpened 1/4" bit and a drill doctor sharpened 1/4" bit and you will see the difference. The doctored bit hole will have a tighter tolerance fit.
Do drill bit sharpeners work?-Page 2| Off-Topic Discussion forum
Done it on a grinder, a belt sander and with a hand file. Use a GOOD hand file and it can be done. I have even sharpened carbide bits .5mm diametre with a diamond stone. No thats not a typo, .5mm is correct. I have a Drill Doctor and find it more consistant than my hand sharpening. I use it or every thing I can chuck in it.
Do drill bit sharpeners work?-Page 2| Off-Topic Discussion forum
Done it on a grinder, a belt sander and with a hand file. Use a GOOD hand file and it can be done. I have even sharpened carbide bits .5mm diametre with a diamond stone. No thats not a typo, .5mm is correct. I have a Drill Doctor and find it more consistant than my hand sharpening. I use it or every thing I can chuck in it.
Chainsaw maintenance tips| Off-Topic Discussion forum
2012年11月10日 · ^ No, it ain't. The pros all do this but they do it lightly. I really, really like the little Dremel-like rotary file that runs on a car battery. You leave the chain on the bar and just do a light touchup on the teeth when you fill it. It comes with an angle guide to make it nice and easy.
Drilling for a knurl: learn me converting to different wheel studs
2018年4月5日 · To determine what drill size you need, you will need to know: The wheel stud knurl diameter. If your axle hub material is cast iron or steel, your drill size will be 0.005 in. smaller than the knurl diameter. If your axle hub material is aluminum, your drill size will be 0.007 in. smaller than the knurl diameter.
How to build an anti-roll bar bracket with common tools
2023年10月3日 · Our plan to resolve this was pretty straightforward: We’d just re-drill the hole to 1/2-inch , and make sure that the bar can properly rotate once installed. We cut down some 5/16-inch bolts for use as alignment dowels. 11. We clamped together the bracket and reamed the hole back to 1/2-inch with our drill press.
Minor rant thread. Post your rants o' the day here!
10/30/24 10:42 a.m. Last week, the Touareg had a brain fart about 200 yards from the house. It would idle fine, but the throttle would only give you about 5 mph. Usually limp mode with give you 15-20% power. This was like it was in limp mode+ and only giving 2-3% power. My first thought was the throttle position sensor.
Real world, drilled and slotted or standard rotors?
1/21/15 9:09 p.m. standard. Drilled and slotted just leave less surface area to grip in 90% of conditions, chew pads faster, and give more opportunity to crack, plus they're virtually impossible to resurface. The heat dissipation you'd see from a set is all but impossible to achieve for most cars, even ones at TOTD.
Modifying a carburetor intake to fuel injection- is it worth it?
2019年9月21日 · These EFI systems are running $1,400-1,600 in my studies, but my plot for drilling and making a multi port injection manifold will be half that- heck, for the total parts, a megasquirt ECU and even buying a cheap welder to work with aluminum it still could be less than buying brand new. pres589 (djronnebaum) PowerDork.