Makita 1/2" Drill 6302H Dissassembly/Discussion

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This is a tear down of this heavy duty makita 1/2" drill, it has proprietary brushes which will need to be ordered but it is decent quality overall, the chuck is difficult to remove because they just torque it on tight instead of using a center lock screw (spindle is not even threaded for a lock screw)

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8 сен 2024

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Комментарии : 11

@Davethreshold 3 года назад

So helpful! I have the non-H 6302, just a 6302. Very little use. The cord disintegrated and I want to replace it and see what I'm getting into. LOL That drill is a MONSTER. I was using it for a 3" hole saw, it got caught, and would break your hand if you aren't careful. Thank you!

@Hawk74 4 года назад

Great video. I like the tool tear downs and analysis. Not that I want to see anyone tools ruined, but I know that I would never open mine up unless there was an issue but I'm always interested in seeing the level of quality that does (or doesn't) go into each tool. Especially one like Makita, a tool brand that comprises the majority of my collection.

@bkh1324 Год назад

I have a little new version of this. More plastic. The switches variable speed went out so its all or nothing and that drill has beat me up a bunch of time. Alot of torque for always full on. I only use 3/8 or less bit now lol

@DKNguyen3.1415 2 месяца назад

What do you mean by new version? Like the more recently built 6302Hs (It almost seems like they still make them even though the video before this one seemed to implied they were no longer made). Or by new version did you mean the DP models that replaced this one?

@dorhocyn3 4 года назад

Sleeve bearings can be ok for low rpm.

@RabidBadger_ 4 года назад

Oil-embedded bronze bushings are superior to needle bearings for low rpm applications. They can handle far higher radial loads and last a loooong time. That bearing should be able to run continuously for 600 hours without breaking a sweat. The downside is that the shafts they support must be machined to much closer tolerances, actually driving costs UP compared to roller bearings. It isn't a cost cutting move, it's superior engineering. Also, that plastic looks more like polycarbonate than nylon to me, which would explain the use of machine fasteners.

@CatusMaximus 4 года назад

Yes, thank you. the old makita tool bodies were very durable so poly-carbonate makes sense, and i will remeber that about the sleeve bearings.

@stinkycheese804 4 года назад

They are superior in some cases, for the first few hundred hours, but not for decades long term ownership where the oil ends up turning to varnish, and blocking the pores in the bearing so new oil (relube) doesn't have the same opportunity that the original did. Even so, it still appears to be functional so it looks like the brushes will be the weakest link if the day comes when there are no longer available and you don't want a hack job repair with generic parts. Used drills are too easy to find for low cost, to bother with that.

@viperstrike3827 4 года назад

I took my dp4000 apart its made in Japan. It is way better built than this drill. it has machined heat treated gears, nicer brusholders, omron switch, very high rpm motor 900 rpm behind triple gear reduction maintains its speed under load better than my 235g that has double gear reduction and a slower motor. my complaint is the trigger is too easy to pull. It has very fine speed control but its too easy to run it full send by accident