Hand and power tools for cast polymer and composites manufacturing:
Cutting Tools
We offer heavy-duty, long-lived premium hole saws and router bits for use in cultured marble manufacturing, solid surface fabrication, and other applications.

Heavy-Duty, Carbide-Tipped Hole Saws
Not all Hole Saws are in stock, and certain items may result in a longer lead time. Call if you have any questions about specific items.
Order Information:
Diameter
|
Order No. |
3/4" | 020429 |
7/8" | 020430 |
1" | 020431 |
1-1/8" | 020461 |
1-1/4" | 020432 |
1-1/2" | 020433 |
1-3/8" | 020465 |
1-5/8" | 020466 |
1-3/4" | 020434 |
1-7/8" | 020467 |
2" | 020435 |
2-1/8" | 020468 |
2-1/4" | 020436 |
2-1/2" | 020437 |
2-3/8" | 020439 |
2-5/8" | 020469 |
2-3/4" | 020441 |
2-7/8" | 020470 |
3" | 020442 |
3-1/4" | 020443 |
3-1/2" | 020440 |
3-5/8" | 020473 |
4" | 020445 |
4-1/4" | 020475 |
4-1/2" | 020462 |
5" | 020463 |

Gruber Hole Saw Shanks and Drill Bits
1/4” Pilot Drill Bit and Shank Combination Kits
Note: Gruber Hole Saw Shanks include a 1/4” Pilot Drill Bit in the kit. 3/8” Shanks require purchase of separate 3/8” Pilot Drill Bit.
For 3/4” to 7/8” hole saws (S-12) – Ea – #020451
Set includes one S-12 Shank and one CP-41 Pilot Drill Bit (see below).
For 1“ to 3-3/4” hole saws (HS-S4) – Ea – #020452
Set includes one HS-S4 Shank and one CP-41 Pilot Drill Bit (see below).
Shank only for 3/8” Pilot Drill Bit
Note: No Pilot Drill Bit is included with this item.
For 4” to 7-1/2” hole saws (XHS-6A) – Ea – #020464
Note: For 3/8” Pilot drill bit, Order Item No. 020459 below.

Gruber Pilot Drill Bits
1/4” Pilot Drill Bit and Shank Combination Kits. Gruber Hole Saw Shanks include a 1/4” Pilot Drill Bit in the kit. 3/8” Shanks require purchase of separate 3/8” Pilot Drill Bit.
Note: These Pilot Drill Bits do not include a shank.
Pilot Drill Bit – 1/4” Diameter (CP-41) – Ea – #020460 (shown at left)
Pilot Drill Bit – 3/8” Diameter – Ea – #020459
Air Spray Tools and Supplies

Air Powered Gelcoat/Resin Spray Gun – with 6″ Tip
For all Gelcoat and Spray Granite applications. Complete with FN6 nozzle, lid, plastic cup, nozzle brush, paper cup, cup liner, micron gauge & instructions. This professional grade sprayer is a must for every fiberglass, composite and cultured marble shop. This gun is used for spraying not only gelcoat and resins, but other materials such as parting films, spray gypsum, tooling gelcoats, sand able primers, granite enhanced gelcoats, adhesives and paints. With our largest nozzle, it will even sand blast. The easy to clean design means clean up times less than five minutes. Wipe the lid and nozzle, through away the cup, and you’re ready to go again. We have also designed the gun to work with standard paper cups (Sweetheart P4325 & Solo 320).
Order Information:
Model 100 Cup Gun (w/#6 tip) (G300-001) – #G100

Replacement Parts – Model 100 Spray Gun
Order Information:
Replacement Tips (#4/#5/#6)- Set/3 – #G1001
100-4 Air Nozzle Assembly (w/ O-Rings) – #G100-4
O-Ring – #G200-002B
Flow Control (Needle Valve Assembly) – #G200-014
Model 100 – “O” Ring Rebuild Kit* – #G200-016
Trigger Assembly V/O Rings – #G100-7
Trigger/Needle Valve Body “O” Ring – #G300-002A
Trigger Valve Upper Body “O” Ring – #G300-002B
Trigger Valve Stem “O” Ring – #G300-003A
Air Nozzle Assembly (with ”O” Rings) – #G300-004
Air Nozzle “O” Ring – #G300-005A
Lock Screw “O” Ring – #G300-006A
Lock Screw Assembly W/ “O” Ring – #G300-007
Pull Ring Spring – #G300-012
Pull Ring Spring Assembly – #G300-013
Needle Valve Assembly – #G300-014
Needle Valve Stem “O” Ring – #G300-015A
“O” Ring Rebuild Kit (for G100-gun) – #G300-016

Disposable Spray Gun Cups
Disposable 32 oz. Sweetheart Cups are designed to fit the ES-100 Cup Gun and are coated for Gel-Coat spraying operations.
Order Information:
Paper cups – 32 oz unwaxed** – Sleeve/25 – #G200
Paper cups – 32 oz lined** – Case of 500 – #G2001
Plastic Liner For Reusable Cups Pk/100 – #G300-011-BAG
Polycup For Model 100 Gun – #G200P
Cast Aluminum Cup Lid – #G300-010-3
Cup Lid Assembly (Aluminum) – #G200010
Graduated Heavy Duty Plastic Cup – #G300-011HD
* 2-2A, 2-3A, 2-5A, 1-6A, 3-9A and 1-15A
** Fits Models 100/200/300 spray guns

Catalyst Dispenser Squeeze Bottles
Order No. 020070
Sticks
Order Information:
Useful for many shop uses – including mixing gelcoat or pigment, spread adhesive, etc. Box of 1000.
Order No. 020261