These arbors are designed to hold the replaceable Helix Mortise heads. Threads: 5/16″-24 Fits #13-1250A only.
| Manufacturer | Whiteside Machine Company  | 
		
|---|---|
| Shank Diameter | 1/4"  | 
		
| Overall Length | 1-3/4"  | 
		
| Cutting Style | Helix Mortise Arbor  | 
		
These arbors are designed to hold the replaceable Helix Mortise heads. Threads: 5/16″-24 Fits #13-1250A only.
| Manufacturer | Whiteside Machine Company  | 
		
|---|---|
| Shank Diameter | 1/4"  | 
		
| Overall Length | 1-3/4"  | 
		
| Cutting Style | Helix Mortise Arbor  |