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

Specifications

Number of Teeth_SYN

 20

Chain Number_SYN

 35

Outside Diameter_SYN

 2.600 in

Bore Diameter_SYN

 0.638 in

Length Through Bore_SYN

 0.720 in

Tooth Width_SYN

 0.168 in

Weight_SYN

 0.380 lb

Hardened Teeth_SYN

 Yes

UPC Code

 097039905260