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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: 6151800110
The Chicago Pneumatic CP6641 delivers exceptional controlled torque output for heavy-duty industrial fastening applications where precision and raw power are non-negotiable. Engineered for demanding assembly and maintenance environments, this 1-inch drive stall torque nutrunner produces an impressive 4,100 Nm of maximum torque in both forward and reverse, making it one of the most capable chicago pneumatic impact wrench solutions available for large-fastener applications. Built around a stall-type torque control system, the CP6641 provides consistent and repeatable results without electronic feedback, keeping the tool mechanically robust and straightforward to maintain on the shop floor. A free speed of 10 RPM ensures the tool drives fasteners at a controlled pace appropriate for high-torque assembly, while the minimum torque threshold of 1,000 Nm still represents serious clamping force for even the most demanding joints. The 1-inch square drive offers compatibility with heavy industrial sockets, making it the natural choice where a standard cp impact wrench or air impact wrench simply cannot deliver sufficient output. Constructed to Chicago Pneumatic's exacting standards, the CP6641 is designed for long service intervals and consistent performance under continuous production conditions. Facilities assembling heavy machinery, structural steel, mining equipment, rail rolling stock, or large commercial vehicles will find this nutrunner an indispensable tool for achieving precise, high-torque joints with confidence and repeatability every cycle.
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.
| Max torque in forward | 4100 Nm |
|---|---|
| Max torque reverse | 4100 Nm |
| Min torque in forward | 1000 Nm |
| Torque Control System | Non shut-off-stall |
| Accuracy (%) | ±5 % |
| Adjustment | Torque Chart |
| Handle type | Pistol |
| Joint Type | Hard & Soft |
| Main Material type | Composite |
| Output drive size (in) | 1 |
| Output drive type | Sq |
| Output retainer type | Hole |
| Reaction bar type | S-type |
| Reversible | Yes |
| Spline type | 70 |
| Starting system | Trigger |
| Suspension option | Optional |
| Free Speed | 10 rpm |
| Air consumption at free speed | 31 l/s |
| Height (H) | 228 mm |
| Length (L) | 361 mm |
| Width (W) | 100 mm |
| Side to Center | 40 mm |
| Weight | 8.8 kg |
| Weight without reaction arm | 8.8 kg |
| Weight with reaction arm | 10.8 kg |
| Sound Power | 101 dB(A) |
| Sound Pressure | 90 dB(A) |
| Vibration (m/s²) | <2.5 |
| Vibration | 2.9 m/s² |
| Air inlet thread size (in) | 3/8 |
| Air inlet thread type | NPT |
| Max dynamic air working pressure | 6.3 bar |
| Min hose diam (5 m hose length) | 16 mm |
| 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 | 6151800090 | 6151800100 | 6151800120 | 6151800130 | 8941076010 | 8941076011 | 8941076015 | 8941076021 | 8941076025 | 8941076031 | 8941076035 | 6151800140 |
| Type | Air Nutrunner | Air Nutrunner | Air Nutrunner | Air Nutrunner | Air Nutrunner | Air Nutrunner | Air Nutrunner | Air Nutrunner | Air Nutrunner | Air Nutrunner | Air Nutrunner | Air Nutrunner |
| Capacity (L) | 23 | 23 | 23 | 23 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 31 |
| Drive Size (Inch) | 3/4 | 1 | 3/4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Length (mm) | 212 | 212 | 212 | 212 | 328 | 345 | 380 | 460 | 495 | 345 | 380 | 228 |
| Torque Range (Nm) | 1300 | 2600 | 1300 | 2600 | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 4100 |
| Weight (kg) | 3.7 | 5.1 | 3.7 | 5.1 | 6 | 6.6 | 6.9 | 8.8 | 9.1 | 7.4 | 7.7 | 8.8 |
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 CP6641 delivers 4100 Nm maximum forward torque and 4100 Nm in reverse, operating at 6.3 bar working pressure.
A. The CP6641 uses a 1" Sq drive - compatible with standard hex and impact-rated socket sets.
A. The CP6641 reaches 10 rpm free speed with 31 l/s air consumption at 6.3 bar working pressure.
A. The CP6641 measures 361 mm in length, weighs 8.8 kg, and features a 1 drive, delivering up to 4100 Nm maximum torque, at a free speed of 10 rpm.
A. The CP6641 is part of a product family - variants include related models with differing specs available at partsformachines.com.
A. Refer to the CP6641 product page on partsformachines.com for the full list of comparable models and alternatives.
A. The CP6641 is engineered for professional industrial use - suited for heavy automotive and MRO fastening work.
A. The CP6641 features an aluminium alloy body with composite over-sleeve insulation for durability and reduced tool weight.
A. The CP6641 requires a minimum 10mm (3/8") hose at 5m or 3/8" (16ft) for full performance at 6.3 bar working pressure.
A. The CP6641 consumes 31 l/s at load via 1/4" NPT inlet at 6.3 bar.
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