Stock Drive Products & Sterling Instrument - SDP/SI Datasheets for Machine Keys and Keystock

Machine keys and keystock are demountable machine elements that are used to transmit torque from a shaft to a mounted component, such as a gear or pulley. They are usually made of steel or stainless steel and plated with zinc for wear and oxidation resistance.
Machine Keys and Keystock: Learn more

Product Name Notes
Woodruff Keys (inch) -- A 9X49-0208 0.0625" Wide, 0.25" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0210 0.0625" Wide, 0.312" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0212 0.0625" Wide, 0.375" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0216 0.0625" Wide, 0.5" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0310 0.0938" Wide, 0.312" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0312 0.0938" Wide, 0.375" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0316 0.0938" Wide, 0.5" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0320 0.0938" Wide, 0.625" O.D., 303 Stainless Woodruff Key
Machine Keys (inch) -- A 9C39-0416 0.125" Wide X 0.125" Height X 0.5" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0424 0.125" Wide X 0.125" Height X 0.75" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0432 0.125" Wide X 0.125" Height X 1" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0440 0.125" Wide X 0.125" Height X 1.25" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0448 0.125" Wide X 0.125" Height X 1.5" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0456 0.125" Wide X 0.125" Height X 1.75" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0464 0.125" Wide X 0.125" Height X 2" Long Carbon steel machine key
Woodruff Keys (inch) -- A 9X49-0412 0.125" Wide, 0.375" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0416 0.125" Wide, 0.5" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0420 0.125" Wide, 0.625" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0520 0.1563" Wide, 0.625" O.D., 303 Stainless Woodruff Key
Woodruff Keys (inch) -- A 9X49-0624 0.187" Wide, 0.750" O.D., 303 Stainless Woodruff Key
Machine Keys (inch) -- A 9C39-0616 0.1875" Wide X 0.1875" Height X 0.5" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0624 0.1875" Wide X 0.1875" Height X 0.75" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0632 0.1875" Wide X 0.1875" Height X 1" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0640 0.1875" Wide X 0.1875" Height X 1.25" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0648 0.1875" Wide X 0.1875" Height X 1.5" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0656 0.1875" Wide X 0.1875" Height X 1.75" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0664 0.1875" Wide X 0.1875" Height X 2" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0672 0.1875" Wide X 0.1875" Height X 2.25" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0680 0.1875" Wide X 0.1875" Height X 2.5" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0816 0.25" Wide X 0.25" Height X 0.5" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0824 0.25" Wide X 0.25" Height X 0.75" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0832 0.25" Wide X 0.25" Height X 1" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0840 0.25" Wide X 0.25" Height X 1.25" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0848 0.25" Wide X 0.25" Height X 1.5" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0856 0.25" Wide X 0.25" Height X 1.75" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0864 0.25" Wide X 0.25" Height X 2" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0872 0.25" Wide X 0.25" Height X 2.25" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0880 0.25" Wide X 0.25" Height X 2.5" Long Carbon steel machine key
Machine Keys (inch) -- A 9C39-0888 0.25" Wide X 0.25" Height X 2.75" Long Carbon steel machine key
Woodruff Keys (inch) -- A 9X49-0832 0.250" Wide, 1.00" O.D., 303 Stainless Woodruff Key
Woodruff Keys (metric) -- A 9C49M01507 1.5mm Wide, 7mm O.D., Carbon steel Woodruff key (DIN 6888)
Key Stocks (inch) -- A 9C40-0212 1/16 (W) X 1/16 (H), Carbon steel key stock
Key Stocks (inch) -- A 9C40-D812 1/2 (W) X 1/4 (H), Carbon steel key stock
Key Stocks (inch) -- A 9X40-0812 1/4 (W) X 1/4 (H), #300 Stainless steel key stock
Key Stocks (inch) -- A 9B40-0812 1/4 (W) X 1/4 (H), Brass key stock
Key Stocks (inch) -- A 9C40-0812 1/4 (W) X 1/4 (H), Carbon steel key stock
Key Stocks (inch) -- A 9X40-0412 1/8 (W) X 1/8 (H), #300 Stainless steel key stock
Key Stocks (inch) -- A 9B40-0412 1/8 (W) X 1/8 (H), Brass key stock
Key Stocks (inch) -- A 9C40-0412 1/8 (W) X 1/8 (H), Carbon steel key stock
Machine Keys (metric) -- A 9C39M100825 10mm wide BY 8mm Height, 25mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M100828 10mm wide BY 8mm Height, 28mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M100836 10mm wide BY 8mm Height, 36mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M100845 10mm wide BY 8mm Height, 45mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M100856 10mm wide BY 8mm Height, 56mm Long Carbon steel machine key (per DIN 6885A)
Woodruff Keys (metric) -- A 9C49M10032 10mm Wide, 32mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M10045 10mm Wide, 45mm O.D., Carbon steel Woodruff key (DIN 6888)
Machine Keys (metric) -- A 9C39M120828 12mm wide BY 8mm Height, 28mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M120836 12mm wide BY 8mm Height, 36mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M120845 12mm wide BY 8mm Height, 45mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M120856 12mm wide BY 8mm Height, 56mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M120863 12mm wide BY 8mm Height, 63mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M140936 14mm wide BY 9mm Height, 36mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M140945 14mm wide BY 9mm Height, 45mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M140956 14mm wide BY 9mm Height, 56mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M140963 14mm wide BY 9mm Height, 63mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M161056 16mm wide BY 10mm Height, 56mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M161063 16mm wide BY 10mm Height, 63mm Long Carbon steel machine key (per DIN 6885A)
Woodruff Keys (metric) -- A 9C49M02510 2.5mm Wide, 10mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M02010 2mm Wide, 10mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M02013 2mm Wide, 13mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M02007 2mm Wide, 7mm O.D., Carbon steel Woodruff key (DIN 6888)
Key Stocks (inch) -- A 9X40-0612 3/16 (W) X 3/16 (H), #300 Stainless steel key stock
Key Stocks (inch) -- A 9B40-0612 3/16 (W) X 3/16 (H), Brass key stock
Key Stocks (inch) -- A 9C40-0612 3/16 (W) X 3/16 (H), Carbon steel key stock
Key Stocks (inch) -- A 9C40-0312 3/32 (W) X 3/32 (H), Carbon steel key stock
Key Stocks (inch) -- A 9C40-B812 3/8 (W) X 1/4 (H), Carbon steel key stock
Machine Keys (metric) -- A 9C39M030310 3mm wide BY 3mm Height, 10mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M030314 3mm wide BY 3mm Height, 14mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M030320 3mm wide BY 3mm Height, 20mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M030325 3mm wide BY 3mm Height, 25mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M030306 3mm wide BY 3mm Height, 6mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M030308 3mm wide BY 3mm Height, 8mm Long Carbon steel machine key (per DIN 6885A)
Woodruff Keys (metric) -- A 9C49M03010 3mm Wide, 10mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M03013 3mm Wide, 13mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M03016 3mm Wide, 16mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M03019 3mm Wide, 19mm O.D., Carbon steel Woodruff key (DIN 6888)
Machine Keys (metric) -- A 9C39M040410 4mm wide BY 4mm Height, 10mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M040414 4mm wide BY 4mm Height, 14mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M040416 4mm wide BY 4mm Height, 16mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M040420 4mm wide BY 4mm Height, 20mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M040425 4mm wide BY 4mm Height, 25mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M040408 4mm wide BY 4mm Height, 8mm Long Carbon steel machine key (per DIN 6885A)
Woodruff Keys (metric) -- A 9C49M04013 4mm Wide, 13mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M04016 4mm Wide, 16mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M04019 4mm Wide, 19mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M04022 4mm Wide, 22mm O.D., Carbon steel Woodruff key (DIN 6888)
Key Stocks (inch) -- A 9C40-A812 5/16 (W) X 1/4 (H), Carbon steel key stock
Key Stocks (inch) -- A 9C40-0512 5/32 (W) X 5/32 (H), Carbon steel key stock
Machine Keys (metric) -- A 9C39M050510 5mm wide BY 5mm Height, 10mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M050514 5mm wide BY 5mm Height, 14mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M050516 5mm wide BY 5mm Height, 16mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M050520 5mm wide BY 5mm Height, 20mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M050525 5mm wide BY 5mm Height, 25mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M050536 5mm wide BY 5mm Height, 36mm Long Carbon steel machine key (per DIN 6885A)
Woodruff Keys (metric) -- A 9C49M05016 5mm Wide, 16mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M05019 5mm Wide, 19mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M05022 5mm Wide, 22mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M05025 5mm Wide, 25mm O.D., Carbon steel Woodruff key (DIN 6888)
Machine Keys (metric) -- A 9C39M060610 6mm wide BY 6mm Height, 10mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M060614 6mm wide BY 6mm Height, 14mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M060616 6mm wide BY 6mm Height, 16mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M060620 6mm wide BY 6mm Height, 20mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M060628 6mm wide BY 6mm Height, 28mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M060636 6mm wide BY 6mm Height, 36mm Long Carbon steel machine key (per DIN 6885A)
Woodruff Keys (metric) -- A 9C49M06022 6mm Wide, 22mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M06025 6mm Wide, 25mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M06028 6mm Wide, 28mm O.D., Carbon steel Woodruff key (DIN 6888)
Key Stocks (inch) -- A 9C40-C812 7/16 (W) X 1/4 (H), Carbon steel key stock
Key Stocks (inch) -- A 9C40-0712 7/32 (W) X 7/32 (H), Carbon steel key stock
Machine Keys (metric) -- A 9C39M080710 8mm wide BY 7mm Height, 10mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M080716 8mm wide BY 7mm Height, 16mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M080720 8mm wide BY 7mm Height, 20mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M080725 8mm wide BY 7mm Height, 25mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M080736 8mm wide BY 7mm Height, 36mm Long Carbon steel machine key (per DIN 6885A)
Machine Keys (metric) -- A 9C39M080745 8mm wide BY 7mm Height, 45mm Long Carbon steel machine key (per DIN 6885A)
Woodruff Keys (metric) -- A 9C49M08028 8mm Wide, 28mm O.D., Carbon steel Woodruff key (DIN 6888)
Woodruff Keys (metric) -- A 9C49M08032 8mm Wide, 32mm O.D., Carbon steel Woodruff key (DIN 6888)