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Features & Benefits:NAPA Premium Rotors Are Designed To Improve Stopping Distances # of Bolt Holes:5 Bolt Circle Diameter:4.5" Diameter:10.945" Height:1.845" Maximum Lateral Runout:.004" Thickness When New:.945" Discard Thickness:.866" Vented / Solid:Vented Center Hole Diameter:2.84"
diameter: 10.63"thickness when new: .47"discard thickness: .41"height: 1.9"center hole: 2.89"bolt circle: 4.5"
Anzio Iron Works 20mm
m8-1.0x 20mm I just replaced mine, it was the top bolt
the bolts are 3/8-16 . as for the length, all that is necessary is about 3/8 of an inch of bolt sticking through the pump, and gasket. a rule of thumb is the length of bolt you need to secure something ,is equal to the diameter of the bolt. that is besides the thickness of what ever you are securing , you should have a bolt at least the diameter of the bolt longer. example- if the pump is 1 inch thick, your bolt should be at least 1 3/8 inch long.
This would be concidered the largest diameter,dimension of a bolt.
he diameter of the bolt.
The stress on a bolt under longitudinal force is the total force on the bolt divided by the stress area. The stress area is a little bigger than the minor diameter area, calculated from the average of the minor diameter and pitch diameter. The total force on the bolt is its torque preload plus the (bolt stiffness/(bolt +member stiffness) x (externally applied load )
1983 Chevrolet S-10 Pickup Bolt Pattern: 5x120.65. Center Bore: 70.3. Hardware:12x1.50 Lug Offset: 00-20mm
On a five bolt pattern measure from outer edge of one bolt then across to the middle of another skipping one bolt hole( not quite the diameter). On six or four bolt patterns measure across from bolt center to bolt center as you would the diameter if it were a circle.
"M8" refers to the diameter of a metric bolt, where "M" stands for metric and "8" represents the diameter in millimeters. This measurement helps in selecting the correct size of nuts or washers to use with the bolt.
The wheel bolt diameter for a 2007 Toyota Tacoma is 12mm x 1.50.