The Vulcan Company, Inc. was first incorporated as Vulcan Tool Manufacturing Company in 1908 with Alexander Clark as its first president. Clark was first trained as a blacksmith in his native Scotland at age 14.

As you asking for the Spline Core Bits Parts Overview of the Vulcan Company is given below


Bit Size Drill Depth Overall Length Part No.
1-1/2" 6-1/4" 12" VC290
1-1/2" 16-3/4" 22" VC291
1-3/4" 6-1/4" 12" VC292
1-3/4" 16-3/4" 22" VC293
2" 6-1/4" 12" VC294
2" 16-3/4" 22" VC295
2-5/8" 6-1/4" 12" VC296
2-5/8" 16-3/4" 22" VC297
3-1/8" 6-1/4" 12" VC298
3-1/8" 16-3/4" 22" VC299
3-1/2" 6-1/4" 12" VC300
3-1/2" 16-3/4" 22" VC301
4" 6-1/4" 12" VC302
4" 16-3/4" 22" VC303
5" 6-1/4" 12" VC304
5" 16-3/4" 22" VC305
6" 16-3/4" 22" VC306

Replacement Centering Drill for Core Bit VC998
Replacement Drift Key for Core Bit VC999