Wedge-Locking Header Bolts Hex Head 3/8 Diameter X 1 Inch Black Oxide 12 Pcs Proform Starter Switch Sold as a pair

Sold as a pair

50 Inches High

PROFORM micrometers feature quick-lock levers

For Proform Starter Part Numbers 66256

Precision machined to insure consistency and ratio accuracy

Wedge-Locking Header Bolts Hex Head 3/8 Diameter X 1 Inch Black Oxide 12 Pcs Proform Starter Switch Sold as a pairEach PROFORM Grade 8 Header Bolt is permanently assembled with a pair of special washers. When the bolt is torqued to 28+ ft lbs, the washers super hardened external teeth bite into and grip the bottom of the bolt head and the top surface of the header. After being self locked in this manner, any bolt loosening rotation is blocked by a wedge locking action created by the washers interfacing, matching cams. Its an uphill climb: vibration that might