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Old 01-13-2013, 05:41 PM   #5
Rectum Non Bustibus
Joined: May 2009
Location: Dearborn, MI
Oddometer: 6,145
12 point and spline drive heads are used on many ultra high tensile strength fasteners because they are stronger and more secure when torquing to the high values they require.
2015 BMW R9T, 2010 Ducati 1098 Streetfighter S
2009 Kaw 650 Versys, 1967 Triumph 650 TT Special
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