UB3 - Malco - STEP DRILL, 1/4"-3/4" (1EA) #2 PHILLIPS

#2 PHILLIPS

Finished in high‑polish chrome for durability and easy cleaning

with a durable powder coating

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

This design helps reduce rounding while allowing higher torque on 6‑point fasteners in both SAE and metric sizes

UB3 - Malco - STEP DRILL, 1/4"-3/4" (1EA) #2 PHILLIPSMalco 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