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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £10.00 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £10.00 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | FREE | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £10.00 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £10.00 | 7 to 10 working days |
Product Number: 6151957221
Variations
The Chicago Pneumatic CP9121BR delivers the speed and control that demanding grinding and finishing tasks require, making it an indispensable tool for fabricators and metalworkers who refuse to compromise on performance. Engineered around a robust 600 W motor, this chicago pneumatic air grinder spins a 5-inch (125 mm) disc at an impressive 12,000 RPM free speed, ensuring fast material removal and smooth surface preparation across steel, cast iron, and weld seam work. Air consumption at free speed sits at 9.9 l/s, a figure that reflects the CP9121BR's efficient use of compressed air without sacrificing rotational power. The guard offers up to 180 degrees of rotation, giving operators flexibility to reposition quickly and work safely in restricted or awkward spaces — a practical advantage when production schedules are tight. Compact and well-balanced, the CP9121BR fits naturally into the chicago pneumatic grinder lineup as a reliable mid-size angle grinder suited to both workshop benches and on-site fabrication environments. Its pneumatic architecture means it runs cooler and longer than comparable electric alternatives, reducing downtime across extended shifts. Whether tackling heavy stock removal, deburring structural steel, or blending weld beads on pipework, this chicago pneumatic die grinder performs consistently under sustained load. It is the preferred choice for automotive body shops, steel fabrication plants, and maintenance engineers who depend on a capable cp die grinder to keep operations moving without interruption.
Product Feature:PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| Free Speed | 12000 rpm |
|---|---|
| Air consumption at free speed | 9.9 l/s |
| Auto balancer | No |
| Guard max rotation | 180 ° |
| Guard positions | 9 |
| Main Material type | Aluminium |
| Output Spindle Thread | 5/8-11 UNC |
| Rotative guard type | Lock |
| Spindle lock | No |
| Starting system | Safety lever |
| Swiveling guard | Keyless |
| Wheel/Disc diameter (in) | 5 |
| Wheel/Disc diameter (mm) | 125 |
| Sound Power | 95 dB(A) |
| Sound Pressure | 84 dB(A) |
| Uncertainty vibration-K | 4.6 m/s² |
| Vibration | 8.6 m/s² |
| Air consumption at load | 13 l/s |
| Air inlet thread size (in) | 1/4 |
| Air inlet thread type | NPT |
| Max dynamic air working pressure | 6.3 bar |
| Min hose diam (16 ft hose length) | 0.38 in |
| Min hose diam (5 m hose length) | 10 mm |
| Length (L) | 240 mm |
| Weight | 2.1 kg |
| Max power | 600 W |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Standard Delivery: UK Mainland Free
Delivery Estimate: 3 to 5 working days
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| Technical Specification | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | 8941075451 | 6151952122 | 8941075503 | 8941075401 | 6151607780 | 6151607790 | 83953 | SA153 | 70832 | APT716 |
| Wheel Diameter(mm) | 115 | 125 | 100 | 125 | 125 | 100 | 58 | 100 | ||
| Free Speed(RPM) | 12000 | 12000 | 12000 | 12000 | 12000 | 11000 | 15000 | 9000 | 7000 | |
| Air Consumption(CFM) | 6.5 CFM | 3 CFM | 6.5 CFM | |||||||
| Spindle Thread | 3/8-24 UNF | M14 x 2 | 3/8-24 UNF | M14 x 2 | 5/8-11 UNC | 1/4" x 19 UNC | ||||
| Range | PRO | |||||||||
| Weight | 3.5 | |||||||||
| Power Source | Compressed Air | |||||||||
| Disc Size | 7 | |||||||||
| Show More | ||||||||||
A. No, delivery charges are calculated separately at checkout based on order weight, size, and delivery location.
A. We accept returns within 30 days of purchase for items that are unused, undamaged, and in their original packaging. Returns are available only for UK-delivered orders and must include proof of purchase.
Before returning an item, please contact us at [email protected] to obtain a Return Merchandise Number (RMN). You may also be asked to share images of the product and its packaging for verification.
Items that do not meet these conditions will not be accepted for return. If your return is approved, we will initiate a refund to your credit card or original method of payment. A restocking fee of up to 15% of the order value may apply to each returned item.
A. Standard UK Mainland delivery is 3–5 working days.
A. No - the CP9121BR does not have an auto balancer; see the CP3850 VE series for auto balancer models.
A. The CP9121BR features a guard that rotates 180 degrees with 9 guard positions for safe wheel containment, and uses a keyless swivel guard adjustment system.
A. The CP9121BR uses a 5/8-11 UNC output spindle thread - ensure abrasive wheels and backing pads match this specification.
A. The CP9121BR is part of a product family - variants include related models with differing specs available at partsformachines.com.
A. Refer to the CP9121BR product page on partsformachines.com for the full list of comparable models and alternatives.
A. The CP9121BR is engineered for professional industrial use - built for sustained heavy-duty metal grinding and fabrication.
A. The CP9121BR features an aluminium alloy body for durability and reduced tool weight.
A. The CP9121BR requires a minimum 10mm (3/8") hose at 5m or 3/8" (16ft) for full performance at 6.3 bar working pressure.
A. The CP9121BR consumes 9.9 l/s at free speed via a 1/4" NPT inlet at 6.3 bar max working pressure.
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