Widely used in Micro DC Gear Motor 37mm series.DC geared motor to robot smart car wheels Hex coupler.Compatible with the motor shaft size 6mm diameter.There are two screws. 

This Anderson Metals union coupling is made of brass and connects two hoses with the same diameter in a straight run. This coupling has barbed connections on both ends for connecting two hoses. The barbed stems create a tight seal on flexible and semi-rigid hose when used with a hose clamp or crimp...

The Merit Brass class 150 coupling is a stainless steel 304 cast pipe fitting with female National Pipe Taper (NPT) threads for connecting and extending pipes going in the same direction. Made of stainless steel 304, the low carbon content of this fitting ensures higher corrosion resistance than 302...

The lr nelson auto water shut off makes watering a breeze. Set the timer for automatic watering, or give your plants an extra bit of water with manual watering. 56600 features: -two functions include timed watering & manual watering. -Mechanically operated timer. -No batteries required. -Brass ergo...

This Dixon DCP20B brass Air Chief industrial interchange quick-connect 1/4" air hose plug has a 1/4" female NPT threaded end, valveless construction, and connects to Air Chief industrial interchange quick connect couplers. The female National Pipe Thread (NPT) connection end connects to male threade...

garden hose quick connect shut off Ball valve

This Dixon FBVG75 ball valve is made of forged brass for higher corrosion resistance than steel and has a plastic-covered lever handle for on/off manual control. This inline valve has a full port flow for higher operating efficiency than standard port and 3/4" female National Pipe Taper (NPT) thread...

Rain Bird HPUN1-1S Drip Irrigation Hole Punch Tool. This handy hole-punch reduces fatigue and simplifies insertion of drippers/emitters, 1/4" barbed couplings, and other barbed Drip devices into 1/2" Drip irrigation tubing. Sharp tip quickly creates the perfect size "pilot" hole for secure, long-las...

This Banjo HB050-90 barbed hose 90-degree elbow is made of glass-reinforced polypropylene and has a 1/2" barbed connection on one end and a 1/2" male NPT threaded connection on the other to connect a tube or a hose to a female NPT threaded connection at a 90-degree angle to change the direction of f...

The Merit Brass half coupling is a class 150 stainless steel 304 cast pipe fitting with female National Pipe Taper (NPT) threads on one end and a plain end on the other for connecting and extending different types of pipes. It has NPT threads on one end for creating a tighter seal than straight thre...

This Banjo HB050 barbed hose adapter is made of glass-reinforced polypropylene and has a 1/2" barbed connection on one end and a 1/2" male NPT threaded connection on the other to connect a tube or a hose to a female NPT threaded connection. This schedule 80 adapter is made of glass-reinforced polypr...

The Merit Brass class 150 coupling is a stainless steel 304 cast pipe fitting with female National Pipe Taper (NPT) threads for connecting and extending pipes going in the same direction. Made of stainless steel 304, the low carbon content of this fitting ensures higher corrosion resistance than 302...