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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: 6151957321
Variations
The Chicago Pneumatic CP9121AR delivers the precision grinding performance professionals demand in a compact, reliable 5-inch pneumatic angle grinder built for sustained industrial use. Powered by a robust 600 W motor, this chicago pneumatic air grinder reaches a free speed of 12,000 RPM, providing consistent cutting and grinding power across metal fabrication, welding preparation, and surface finishing tasks. Designed for straightforward operation, the CP9121AR features a 125 mm disc capacity and an air consumption rate of 9.9 l/s at free speed, ensuring efficient performance when connected to a standard compressed air supply. The guard system allows up to 180 degrees of rotation, giving operators the flexibility to configure disc protection to suit the working angle and environment. Its well-balanced design reduces operator fatigue during extended use, while the durable construction typical of chicago pneumatic grinder models ensures long service life even in demanding workshop conditions. The CP9121AR integrates naturally into any air-powered tool setup, making it a practical choice for tradespeople who require consistent results without the constraints of a corded electric tool. This cp die grinder-class performer is ideally suited for metal grinding, rust removal, cutting operations, and weld seam preparation in automotive workshops, fabrication shops, and construction environments where reliability and power-to-weight ratio are critical considerations.
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 | M14x2 |
| 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 | 2.2 m/s² |
| Vibration | 6.7 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 |
| Range | PRO | |||||||||
| Free Speed | 12000 rpm | 12000 rpm | 12000 rpm | 12000 rpm | 12000 rpm | 12000 rpm | 11,000 rpm | 15000rpm | 7,000 rpm | |
| Length (mm) | 10 | 10 | 10 | 10 | 13 | 13 | 100 | 58 | 100 | |
| Main Material type | Aluminium, Composite over-sleeve | Aluminium | Aluminium, Composite over-sleeve | Aluminium, Composite over-sleeve | Aluminium, Composite over-sleeve | Aluminium, Composite over-sleeve | ||||
| Maximum Pressure (bar) | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | ||
| Weight (kg) | 1.6 | 1.9 | 1.6 | 1.6 | 1.9 | 1.9 | 67 | 34 | 38 | 3.5 |
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 CP9121AR does not have an auto balancer; see the CP3850 VE series for auto balancer models.
A. The CP9121AR 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 CP9121AR uses a 1/4" NPT air inlet at 6.3 bar maximum dynamic working pressure.
A. The CP9121AR is part of a product family - variants include related models with differing specs available at partsformachines.com.
A. Refer to the CP9121AR product page on partsformachines.com for the full list of comparable models and alternatives.
A. The CP9121AR is engineered for professional industrial use - built for sustained heavy-duty metal grinding and fabrication.
A. The CP9121AR features an aluminium alloy body for durability and reduced tool weight.
A. The CP9121AR requires a minimum 10mm (3/8") hose at 5m or 3/8" (16ft) for full performance at 6.3 bar working pressure.
A. The CP9121AR 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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