Metric Bolt Question M10 x 90 ish ?

macabethiel · 29-04-2017, 15:35

I could do with some new bolts before I have my upper front suspension arms fitted to the Jeep.

For some unknown reason they are a discontinued part so can't get them from Jeep Dealers like I usually would.

The bolts are M10 x 90 mm or thereabouts with an un-threaded section of about 45 mm to form a sort of shoulder.

It might be that the old ones can be re-used it just depends if they want to come out. Either way I would prefer to fit new ones or have some to fit if they get chewed.

I wonder what specification the bolt needs to be for suspension fitment and where can I get some from ?

Anyone got any pointers to help me source 4 such bolts.

terranosaurusdoug · 29-04-2017, 18:10

How about searching for a local machine shop etc., they would be able to turn you some out of whatever material is needed and to your specs. As for what material, can you see any of the markings on the head of the old bolt?

elty001 · 29-04-2017, 18:25

I would guess at either an 8.8 or 10.9 grade would be used.
If in doubt go for the stronger 10.9 grade.
Never use stainless nuts and bolts on suspension or any load bearing parts.

solarman216 · 29-04-2017, 18:31

had a quick look, got some 102 long 1.5 thread pitch but land is 65 mm long but could run a die down, head marked G * S 10.9, Rick

Monaro Pete · 30-04-2017, 07:16

Screwfix has a good assortment of what you need.

29-04-2017, 15:35	#1
macabethiel Senior Member Join Date: Aug 2008 Location: Derby Vehicle: Freelander & Jeep GC 3.0 Posts: 4,415	Metric Bolt Question M10 x 90 ish ? I could do with some new bolts before I have my upper front suspension arms fitted to the Jeep. For some unknown reason they are a discontinued part so can't get them from Jeep Dealers like I usually would. The bolts are M10 x 90 mm or thereabouts with an un-threaded section of about 45 mm to form a sort of shoulder. It might be that the old ones can be re-used it just depends if they want to come out. Either way I would prefer to fit new ones or have some to fit if they get chewed. I wonder what specification the bolt needs to be for suspension fitment and where can I get some from ? Anyone got any pointers to help me source 4 such bolts.

29-04-2017, 18:31	#4
solarman216 Off road maniac Join Date: Dec 2009 Location: Bexhill on Sea Vehicle: Y60 Patrol Me, 3 ltr Mrs Posts: 17,323	had a quick look, got some 102 long 1.5 thread pitch but land is 65 mm long but could run a die down, head marked G * S 10.9, Rick __________________ Ex banger racer now off road maniac Lokka on the front with manual hubs Diff lock on rear 3 inch SS straight through exhaust Manly winch bumper with 13000 lb winch 10 spike ground anchor, with multiple straps and blocks Super strong body cills capped with scaffold pole 20% stronger springs all round aggressive off road tyres on wheels so just swap. Aim to get stuck and be completely self sufficient in extraction, love getting muddy, 2ft deep is good but rare.

29-04-2017, 18:10	#2
terranosaurusdoug Senior Member Join Date: Sep 2014 Location: Yorkshire, J33 M62 Vehicle: 2000 Terrano lwb 2.7TDI Posts: 5,500	How about searching for a local machine shop etc., they would be able to turn you some out of whatever material is needed and to your specs. As for what material, can you see any of the markings on the head of the old bolt?

29-04-2017, 18:25	#3
elty001 Senior Member Join Date: Feb 2008 Location: Aflreton,Derbyshire. Vehicle: 2000se+ 2.7tdi terrano II Posts: 6,825	I would guess at either an 8.8 or 10.9 grade would be used. If in doubt go for the stronger 10.9 grade. Never use stainless nuts and bolts on suspension or any load bearing parts.

30-04-2017, 07:16	#5
Monaro Pete Senior Member Join Date: Apr 2016 Location: Nr J28 M1 Vehicle: 03 Terrano 2.7 TDi Posts: 995	Screwfix has a good assortment of what you need.