Wheel studs.

Anyone know the knurl diameter ?

Anyone know the knurl diameter ?

Disc, drum? Front, rear? 7/16" or 1/2" ? :scratch: :dontknow:


:afro:

drum, front and rear.

Well .. this is from my Online NAPA catalog. I can't guarentee its right. :roll: I don't have anything with drum brakes on it in the shop, so I can't go look at one. The BK 64113201, etc etc is the part number (BK stands for Balkamp part). HTH's. :salut:


BK 6413201
Wheel Bolt - Front

Comment: To VIN # A24 9" Drum
Attribute Thread Size:7/16"-20,Overall Length:1-3/8",Knurl Diameter:0.570",Shoulder Length:7/16",Head Marking:GH,Thread Type:Right Hand,Type of Packaging:Boxed
Comment To VIN # A24 9" Drum
Per Car 1
Warranty 12 Months or 12,000 Miles Whichever Occurs First


BK 6411557
Wheel Bolt - Front

Comment: Right Hand 9" Drum Cast Iron
Attribute Thread Size:7/16"-20,Overall Length:1-1/4",Knurl Diameter:0.572",Shoulder Length:17/32",Head Marking:083,Thread Type:Right Hand,Type of Packaging:Boxed
Comment Right Hand 9" Drum Cast Iron
Per Car 1
Warranty 12 Months or 12,000 Miles Whichever Occurs First


BK 6411610
Wheel Bolt - Rear

Comment: w/ Posi-Traction
Attribute Thread Size:1/2"-20,Overall Length:1-19/32",Knurl Diameter:0.673",Shoulder Length:9/16",Head Marking:103,Thread Type:Right Hand,Type of Packaging:Boxed
Comment w/ Posi-Traction
Per Car 1
Warranty 12 Months or 12,000 Miles Whichever Occurs First


BK 6411615
Wheel Bolt - Rear

Comment: w/o Posi-Traction
Attribute Thread Size:7/16"-20,Overall Length:1-1/2",Knurl Diameter:0.472",Shoulder Length:11/32",Head Marking:186,Thread Type:Right Hand,Type of Packaging:Boxed
Comment w/o Posi-Traction
Per Car 1
Warranty 12 Months or 12,000 Miles Whichever Occurs First

Thanks Chris. that Knurl size sounds pretty big. I asked on Moparts and was told its .480 wich is what I thought. I'll order some of those and find out for sure.

Well .480 Knurl was to small for the front (its actually .555) and just a tad big for the rear (.476?)