NATIONAL KEYSTONE DISCSRed FlashUltra-FlexVeri-thinUltra-thinDura-thinCut-off wheels
Red Flash Discs #1300430
The Red Flash Disc is the most popular and finest disc available from Keystone Industries. The cut-off wheel quality is strong, fast and free cutting on all chrome, precious and semi-precious alloys. Made of aluminum oxide, the disc can withstand up to 25,000 rpm.
Features:
– Made of aluminum oxide
– Available size: 15/16″ x .025″ (23.8 x 0.63mm)
– Available in 100/Box
Ultra-flex Disc #1300475
The Ultra-flex Disc is the thinnest disc available to the crown and bridge craftsman. This disc is two-thirds as thin as and more flexible than the Ultra-thin Disc, supplementing the Ultra-thin where maximum thinness is required. These are excellent for interproximals and margins. Made of silicon carbide, the gray color discs work best between 10,000 and 12,000 rpm.
Features:
– Made of silicon carbide
– Available color: Gray
– Available size; 7/8″ x .006″ (22.2 x 0.15mm)
– Available in 25/Box
Veri-thin Discs #1300450 (7/8″) or #1300440 (3/4″)
These Veri-Thin Discs are much thinner than the regular Joe Dandy Discs, but still maintains the strength and fast, cool cutting qualities. These discs, made of silicon carbide, are especially suited for cutting and finishing porcelain and gold. Ideal speeds for the discs are between 10,000 and 12,000 rpm.
Features:
– Made of silicon carbide
– Available Color: Light gray
– Available Sizes: 3/4″ x .015″ (19 x 0.38 mm), 7/8″ x .015″ (22.2 x 0.38 mm)
– Available in 50/Box
Ultra-thin discs #1300470
Keystone Industries Ultra-thin Abrasive Discs have the exceptional combination of thinness, strength and cutting qualities, which have made them an indispensable industry standard. These abrasives are used for fine cutting and finishing on porcelain interproximals and margins. The pure fine silicon carbide abrasive is a unique formulation that will not discolor porcelain. Best used between 10,000 and 12,000 rpm.
Features:
– Made of silicon carbide
– Available Color: Gray
– Available Size: 7/8″ x .009″ (22.2 x 0.22mm)
– Available in 25/box
Dura-thin Discs #1300460
These Dura-thin Discs are the ultimate, non-contaminating companion to the Ultra-thin Discs. Made of fine aluminum oxide abrasive, Dura-thin Discs are specially formulated for fine cutting and finishing of ceramic metals. Ideal speeds for the discs are between 10,000 and 12,000 rpm.
Features:
– Made of aluminum oxide
– Available Color: Brown
– Size: 7/8″ x .010″ (22.2 x 0.25mm)
– Available in 25/Box
Cut-off wheels #1300650 (1 3/8″) or #1300660 (1″)
These strong Cut-off Wheels are long lasting and fast cutting. The wheels can be used on chrome cobalt and other non-precious metals.
Features:
– Available sizes: 35 x 0.7mm, 25 x 0.7mm
– Available in 100/Box
- Quantity: box - see product info for quantities
- Item number: see product info