Guhring 577 No.20 Aircraft Extension Drill
Guhring HSS aircraft extension drills are manufactured using high speed steel for greater strength and rigidity when machining, the 6 inch long shaft allows for deeper hole cutting in substrates such as aluminium alloys, laminated plates and cast iron. Manufactured to a bright finish they are extremely durable and feature wear and heat resistant properties.
Features and Benefits
High speed steel for greater rigidity and strength when machining
Extra long shaft for deeper hole cutting
Wear and heat resistant properties extend tool lifespan
Specifications
HSS
Without internal cooling
Standards: NAS 907
Web thinning: 1.500
Relieved cone
Cutting direction: Right
Diameter tolerance: h8
Point angle 118 degrees
Typical Applications
Drilling
Aluminium
Steel
Cast iron