638 Dim. is + .005; 750 Dim. is + .005-.000.
Unit of Measure

Specifications

Number of Teeth_SYN

N/A 12

Chain Number_SYN

N/A 80

Outside Diameter_SYN

N/A 4.360 in

Bore Diameter_SYN

N/A 0.750 in

Length Through Bore_SYN

N/A 0.610 in

Tooth Width_SYN

N/A 0.575 in

Weight_SYN

N/A 1.500 lb

Hardened Teeth_SYN

N/A Yes

UPC Code

N/A 097039905369