Grinders with collets
Inline mini grinder, right angle mini grinders, pistol grip grinder, high speed grinders, low speed grinders, air grinders, pneumatic grinders, die grinders, angle die grinders.
These grinders all have 1/4" collets.
Additional right angle grinders are shown on our Threaded spindle grinders page.
SAFETY WARNING: Make sure the RPM of the grinder you choose below, does not exceed (is less than) the maximum RPM of any accessories you use with that tool.
WARNING: Proposition 65 Label for all St. Louis Pneumatic grinders shown below.
Inline mini grinder, 0.25 HP
St. Louis Pneumatic small size enhances the ability to grind in confined or hard to reach areas with carbide rotary burs or with mounted stones. Rear exhaust.
1/4" collet, 3 CFM @ 90 PSI, 1/4" air inlet, 3/8" min hose, 5.75" long, 0.875 lbs.
Item Number | Item Description | Mfg. Number | RPM | CFM | Each Price | 2 ea Price | |
K2030 | mini grinder | SLP83125 | 25,000 | 3 | | | Add to cart | Add to list |
Right angle grinders, 0.30 and 0.50 HP
Sioux Force grinders have lockoff lever throttles for safety, a built-in speed regulator, and aluminum housing with comfortable insulating grip area.
1/4" collet, 4 or 4.5 CFM, 90 PSI, 1/4" air inlet, 3/8" min, K3024: 6" long, 1 lb.
Item Number | Item Description | Mfg. Number | RPM | CFM | Each Price | 2 ea Price | |
K3024 | 0.30 HP | 5055A | 20,000 | 4 | | | Add to cart | Add to list |
K3026 | 0.50 HP | 5056 | 16,000 | 4.5 | | | Add to cart | Add to list |
Right angle grinders, 0.30 HP
Sioux Signature Series 0.30 HP, heavy-duty, high power to weight ratio. A tough steel angle head, lever throttle with built-in speed control, and rear exhaust.
1/4" collet, 11 CFM @ 90 PSI, 1/4" air inlet, 3/8" min hose size, 6" long, 1.2 lbs.
Item Number | Item Description | Mfg. Number | RPM | CFM | Each Price | 2 ea Price | |
K3040 | high speed | SAG03S20 | 20,000 | 11 | | | Add to cart | Add to list |
K3042 | low speed | SAG03S12 | 12,000 | 11 | | | Add to cart | Add to list |
Pistol grip grinder, 0.50 HP
St. Louis Pneumatic 1.8 lbs. comfortable pistol grip for alternative grinding angles.
1/4" collet, 0.50 HP, 6 CFM @ 90 PSI, 1/4" air inlet, 3/8" hose size, 5.2" long
Item Number | Item Description | Mfg. Number | RPM | Each Price | 2 ea Price | |
K2025 | through handle exhaust | SLP83060 | 18,000 | | | Add to cart | Add to list |
High speed grinders, 0.30 and 0.50 HP
Sioux Force lockoff lever throttle, a built-in speed regulator, comfortable grip, and aluminum housing. K3020 is 5.3" long, 0.08 lbs. K3022 is 6.5" long, 1.3 lbs.
1/4" collet, 4 CFM, 90 PSI, 1/4" air inlet, 3/8" min hose, K3020: 5.3" long, 0.08 lb.
Item Number | Item Description | Mfg. Number | RPM | HP | Each Price | 2 ea Price | |
K3020 | light duty, front exhaust | 5053A | 26,000 | 0.3 | | | Add to cart | Add to list |
K3022 | medium duty, rear exhaust | 5054A | 22,000 | 0.5 | | | Add to cart | Add to list |
High speed grinders, 0.50 HP
St. Louis Pneumatic mid-sized die grinder equipped with a safety throttle lever.
1/4" collet, 3 or 4 CFM @ 90 PSI, 1/4" air inlet, 3/8" hose, 7" long, 1.5 lbs.
Item Number | Item Description | Mfg. Number | RPM | Each Price | 2 ea Price | |
K2012 | 3 CFM, rear exhaust | SLP83225 | 22,000 | | | Add to cart | Add to list |
High speed grinders, 0.70 HP
Sioux Signature Series mid-size heavy-duty with durable powder coat finish. Features include lockoff lever, ball bearing construction, built-in air regulator, fine wire mesh inlet screen, steel inlet bushing and heavy-duty 3 piece double tapered collet.
1/4" collet, 25 SCFM @ 90 PSI, 1/4" air inlet, 3/8" hose, 6" long, 1.2 lbs, 82 dB(A).
Item Number | Item Description | Mfg. Number | RPM | Each Price | 2 ea Price | |
K3027 | front exhaust | SDG7S25F | 25,000 | | | Add to cart | Add to list |
K3028 | front exhaust | SDG7S18F | 18,000 | | | Add to cart | Add to list |
High speed grinders, 1.00 HP
Sioux Signature Series proven air motor, no burnouts. Precision spaced rotor guarantees longer motor life. Precision ball bearings provide collet support and more accuracy.
1/4" collet, 30 SCFM, 90 PSI, 1/4" air inlet, 3/8" hose, 7.5" long, 1.6 lbs, 77.7 dB(A).
Item Number | Item Description | Mfg. Number | RPM | Each Price | 2 ea Price | |
K3030 | front exhaust | SDG10S25F | 25,000 | | | Add to cart | Add to list |
K3031 | front exhaust | SDG10S18F | 18,000 | | | Add to cart | Add to list |
K3035 | rear exhaust | SDG10S25R | 25,000 | | | Add to cart | Add to list |
K3036 | rear exhaust | SDG10S18R | 18,000 | | | Add to cart | Add to list |