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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: 6151607750
Variations
Delivering exceptional surface finishing power across demanding industrial environments, the Chicago Pneumatic CP3550-120AC4 100 mm angle grinder gives professionals a robust and reliable solution for heavy-duty grinding and material removal tasks. Rated at 1100 W and engineered to reach a free speed of 12,000 rpm, this pneumatic tool generates the consistent rotational force needed to tackle tough workloads with confidence and control. Though classified alongside air sanders and pneumatic orbital sanders in Chicago Pneumatic's comprehensive finishing lineup, the CP3550-120AC4 is purpose-built as a dedicated angle grinder, making it the ideal companion wherever precision meets endurance on the shop floor. Its air consumption at free speed sits at 17 l/s, ensuring efficient airflow management when connected to a well-sized compressor supply, while the compact 100 mm disc format allows operators to work effectively in tighter spaces without sacrificing performance. Sound power levels of 95 dB(A) and sound pressure of 84 dB(A) reflect the real-world acoustic conditions users can expect, supporting informed decisions around workplace hearing protection and compliance. The industrial-grade construction ensures this grinder withstands the rigours of continuous shift use across fabrication shops, maintenance facilities, and production lines alike. Whether tackling weld dressing, deburring, or surface preparation on structural steel, the Chicago Pneumatic CP3550-120AC4 delivers the dependable power output and disc speed that experienced tradespeople demand from a professional-grade pneumatic angle grinder.
Product Features: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 | 17 l/s |
| Sound Power | 95 dB(A) |
| Sound Pressure | 84 dB(A) |
| Uncertainty vibration-K | 2.6 m/s² |
| Vibration (m/s²) | 6 |
| Auto balancer | No |
| Guard max rotation | 130° |
| Guard positions | 5 |
| Main Material type | Aluminium, Composite over-sleeve |
| Output Spindle Thread | 3/8-24 UNF |
| Rotative guard type | Pull and Turn |
| Spindle lock | Yes |
| Starting system | Safety lever |
| Swiveling guard | Keyless |
| Wheel/Disc diameter (in) | 4 |
| Wheel/Disc diameter (mm) | 100 |
| Air consumption at load | 26 l/s |
| Air inlet thread size (in) | 3/8 |
| Air inlet thread type | NPT |
| Max dynamic air working pressure | 6.3 bar |
| Min hose diam (16 ft hose length) | 0.5 in |
| Min hose diam (5 m hose length) | 13 mm |
| Height (H) | 94 mm |
| Length (L) | 252 mm |
| Side to Center | 29 mm |
| Weight | 1.7 kg |
| Max power | 1100 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 | 6151607760 | 6151952122 | 83953 | SA153 | 70832 | APT716 |
| Type | Air Angle Grinder | Air Angle Grinder | Air Angle Grinder | Air Angle Grinder | Air Angle Grinder | Air Angle Grinder |
| Range | PRO | |||||
| Free Speed | 12000 rpm | 12000 rpm | 11,000 rpm | 15000rpm | 7,000 rpm | |
| Length (mm) | 115 | 10 | 100 | 58 | 100 | |
| Main Material type | Aluminium, Composite over-sleeve | Aluminium | ||||
| Maximum Pressure (bar) | 3 | 3 | 2 | 2 | ||
| Weight (kg) | 1.9 | 1.9 | 67 | 34 | 38 | 3.5 |
| 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. The CP3550-120AC4 sound pressure is 84 dB(A); vibration 6 m/s² - appropriate PPE required per COSHH and noise at work regulations.
A. The CP3550-120AC4 requires a 3/8" air inlet at 6.3 bar max working pressure - air consumption is 17 l/s.
A. The CP3550-120AC4 key technical specifications include a free speed of 12000 rpm, max power of 1100 W, weight of 1.7 kg, length of 252 mm, and max working pressure of 6.3 bar.
A. The CP3550-120AC4 is part of a product family - variants include related models with differing specs available at partsformachines.com.
A. Refer to the CP3550-120AC4 product page on partsformachines.com for the full list of comparable models and alternatives.
A. The CP3550-120AC4 is engineered for professional industrial use - ergonomically designed for automotive and industrial finishing.
A. The CP3550-120AC4 features an aluminium alloy body with composite over-sleeve insulation for durability and reduced tool weight.
A. The CP3550-120AC4 requires a minimum 10mm (3/8") hose at 5m or 3/8" (16ft) for full performance at 6.3 bar working pressure.
A. When using the CP3550-120AC4: wear hearing protection (84 dB(A)), vibration gloves (rated 6 m/s²), and appropriate eye protection.
A. The CP3550-120AC4 consumes 17 l/s at load via 3/8" NPT inlet at 6.3 bar.
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