UB3 - Malco - STEP DRILL, 1/4"-3/4" (1EA) Description: The Henry 5603-450 is

Description: The Henry 5603-450 is a robust cast iron relief valve designed for use in HVAC and refrigeration systems

Whether you’re tightening critical components or performing repeatable torque applications

Manufacturer: Webster

85 45 NS Oil Nozzle

Finished in high‑polish chrome for durability and easy cleaning

UB3 - Malco - STEP DRILL, 1/4"-3/4" (1EA) Description: The Henry 5603-450 isMalco UB3, STEP DRILL, 1 4" 3 4" Malcos UB1, UB3, UB11, and UB20 Step Drills offer a unique double flute design to ensure the penetration of soft or thin materials at the proper speed. These step drills, drill hole sizes from 1 8 to 1 through sheet metal without burring or deforming stock or threading drill bit. Malco Step Drills actually de burr as they drill. Perfect for use as a hole opening reamer. They can also be used for making round holes from