Wrenches are typically 12 pt to give you a range of angles that they will fit on the bolt/nut. As long as he hardware is in good condition, a 6pt and 12pt wrench will grab the bolt on the same surface area.
Please name the makes and models of these German and American cars.
From my experiences: Starter bolts on VW ALH TDI engines. Some suspension bolts in the MKIV generation Jetta/Golf as well.
That said, I use sockets for most automotive work. I find that wrenches like these, especially with their longer lengths, have only a few uses where a socket would not be better. If you need them to counterhold a bolt/nut then it might be worth getting a set.
Also, the Craftsmen wrench heads fit bolts/nuts somewhat tighter than the Harbor Freight cheapies. Good secure hold if you have a delicate or difficult job to do (turbo actuator adjustment, etc...). Otherwise, Harbor Freight is fine just.
Last edited by MerlynXLII; 07-08-2013 at 11:40 AM..
Whether the sizes are useful depends on the car you have... I just put in KW clubsport coilovers & powerflex control arm bushings, E46 M3 uses 18mm for lower shock to control arm bolt & also the rear trailing arm bushing carrier & bolts are 18mm where I used an 18mm wrench to hold the nut on one side & a 18mm socket & ratchet on the bolt on the other side.
On my E92 M3, the rear lower shock bolt was also 18mm, whereas the connection for the lower control arm to wheel hub was 21mm, the suspension has a lot of bolts you have to counter hold a nut, while having a socket & ratchet on the bolt on the other side..
Regular 3 series probably use the same sizes.
Same with 997 911S, the lower strut to control arm/hub bolts need an 18mm wrench to counter hold a nut while using an 18mm socket & ratchet on the other side of the bolt.
Then due to clearance, sometimes only a wrench works as a shallow socket & thin profile ratchet are still too tall.. Like the 24mm upper fill bolt for the AP2 S2000's rear differential which backs up against the diff cage & chassis. I couldn't get my 24mm craftsman shallow socket & 1/2" drive craftsman thin profile ratchet in the space for the upper fill hole & had to use a 24mm wrench. As well as E46s 32mm fan clutch bolt, etc...sometimes you buy a set thinking you'll never use some sizes, but in the middle of the job, having the right tool makes the world of a difference.
Some of the anti sway bar connections you also needed to counter hold the end link bushings while having the same sized (16mm..I think) socket & ratchet on the other end, otherwise it just spins without loosening..
I have several Japanese & German cars that I primarily do all the service on & in addition to both shallow & deep sockets, I also have wrenches from 5mm all the way up to 36mm.. I've used just about everyone of them one time or another...having the right tool sometimes makes or breaks the job (& bolt too)
Last edited by BlkBimM3r; 07-08-2013 at 01:46 PM..
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