New open box no box. . May have some staining and light rust marks from being in storage .
SPECIFICATIONS
HUB PROJECTION
0.8 in
CHAIN PITCH
3/4 in
NO. OF STRANDS ACROSS
1
SET SCREW SIZE
5/16-18 X 5/16
BORE TYPE
Bored to Size
KEYWAY
w/Keyway & Set Screw
INCH/METRIC
Inch
NO. OF SCREWS
2
MARTIN NO.
60BS20
HUB DIA.
3 1/2 in
CHAIN NO.
60
PITCH DIAMETER [MIN]
4.794 in
WIDTH ACROSS TEETH
0.459 in
HUB LENGTH THRU
0.791 in
SINGLE STRAND TOOTH THICKNESS
0.459 in
OUTSIDE DIA.
5.1850 in
KEYWAY SIZE
1/4 x 1/8
CALIPER DIAMETER
4.3253 in
MATERIAL
Steel
HARDENED TEETH
Without Hardened Teeth
PITCH DIAMETER
4.794 in
SPROCKET STYLE
B
NO. OF TEETH
20
OUTSIDE DIA. [MIN]
5.1850 in
FINISHED BORE
1 in
LENGTH THROUGH BORE
1 1/4 in
WEIGHT
3.95 LB
EAN OR UPC
697950016566