What Standard or method to use to measure Bow condition in M6 Bolts

R

Reality99

#1
Hi,

I'm looking for the standard used to measure "bow condition" to M6 bolts. (83.5 mm)
I'm a Ford supplier and according to their knowledge, I need to follow WA-900 standard to check all dimensional requirements.
Checking that standard, it doesn't mention anything about bow and it goes to two ISO's: 15071 and 4759-1. Neither of them contain bow condition measurement.

My problem is that my bolt supplier is shipping bent bolts, some of them are functional with my customer, but I'm not willing anymore to play this guessing game. :nope:

I will appreciate if some of you guys have a reference to follow regarding bow condition criteria.

Thanks.
 
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Jim Wynne

Staff member
Admin
#2
Hi,

I'm looking for the standard used to measure "bow condition" to M6 bolts. (83.5 mm)
I'm a Ford supplier and according to their knowledge, I need to follow WA-900 standard to check all dimensional requirements.
Checking that standard, it doesn't mention anything about bow and it goes to two ISO's: 15071 and 4759-1. Neither of them contain bow condition measurement.

My problem is that my bolt supplier is shipping bent bolts, some of them are functional with my customer, but I'm not willing anymore to play this guessing game. :nope:

I will appreciate if some of you guys have a reference to follow regarding bow condition criteria.

Thanks.
Inspecting Screw and Bolt Straightness from IFI (a generally authoritative source) might be helpful and it's cheap, too.
 
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