1. Introduction
This manual provides essential information for the safe and effective use of Senco KC27APBK 3-inch framing nails. Please read these instructions carefully before use to ensure proper application and to prevent injury or damage.
2. Safety Information
Always wear appropriate personal protective equipment (PPE), including safety glasses, when handling and using collated nails and nail guns. Ensure the nail gun is disconnected from its power source before loading or performing maintenance. Keep hands and body parts clear of the nail discharge area.
3. Product Overview
The Senco KC27APBK framing nails are designed for heavy-duty construction applications. These 3-inch nails feature a plain finish, clipped head, smooth shank, and diamond point, collated at a 34-degree angle for compatibility with specific framing nailers.

Image 1: A strip of Senco KC27APBK 3-inch framing nails. These nails are collated together, ready for use in a compatible framing nailer. The image highlights the plain finish and clipped head design.

Image 2: A closer view of the Senco KC27APBK framing nails, illustrating the 34-degree collation angle and the diamond point. This angle is crucial for proper feeding in compatible nail guns.
4. Specifications
| Feature | Detail |
|---|---|
| Model Number | KC27APBK |
| Overall Length | 3 inches |
| Shank Diameter | 0.131 inches |
| Material | Steel |
| Finish | Plain |
| Head Type | Clipped |
| Shank Type | Smooth |
| Point Type | Diamond |
| Collation Type | Tape |
| Collation Angle | 34 Degrees |
| Package Quantity | 2500 nails |
| Compatible Nailers | Senco F-35XP, FN91T1, FP325XP, FP701XP, FP751XP |
5. Setup and Loading
- Ensure Safety: Disconnect your framing nailer from its air supply or power source before loading nails.
- Open Magazine: Open the nailer's magazine according to its specific instructions.
- Insert Nails: Insert a strip of Senco KC27APBK nails into the magazine, ensuring the collation angle matches the nailer's design (34 degrees). The nail points should face forward.
- Close Magazine: Close the magazine securely until it latches.
- Reconnect Power: Reconnect the nailer to its air supply or power source.
Note: Always refer to your specific nailer's instruction manual for detailed loading procedures.
6. Operating Instructions
These nails are designed for use with compatible Senco framing nailers (e.g., F-35XP, FN91T1, FP325XP, FP701XP, FP751XP). Ensure the nailer is set to the appropriate depth for the material being fastened.
- Material Compatibility: Suitable for framing, sheathing, subflooring, and other heavy-duty wood construction.
- Nailer Settings: Adjust the nailer's depth setting to achieve flush fastening without over-driving or under-driving the nails. Test on a scrap piece of material first.
- Firing: Follow your nailer's operating instructions for single-shot or bump-fire modes. Maintain a firm grip and stable stance.
7. Storage and Handling
Store Senco KC27APBK nails in a dry environment to prevent rust and corrosion, which can affect performance and potentially damage your nailer. Keep nails in their original packaging until ready for use. Avoid dropping or bending nail strips, as this can lead to misfires or jams.
8. Troubleshooting (Nail-Related)
- Nail Jams: If nails jam, disconnect the nailer from its power source immediately. Carefully follow your nailer's instructions for clearing jams. Ensure nails are not bent or damaged before loading.
- Misfires/Inconsistent Firing: Check if the nails are properly loaded and not damaged. Ensure the nailer is compatible with 34-degree collated nails. Verify the air pressure (for pneumatic nailers) is within the recommended range for your tool.
- Nails Not Driving Fully: Adjust the nailer's depth setting. Ensure adequate air pressure (for pneumatic nailers). Check for worn driver blades or other nailer issues (refer to your nailer's manual).
For comprehensive troubleshooting, consult the instruction manual for your specific Senco framing nailer.
9. Warranty Information
Senco products are manufactured to high standards. For specific warranty details regarding fasteners, please refer to the official Senco website or contact Senco customer support. Generally, fasteners are warranted against manufacturing defects.
10. Customer Support
For further assistance, technical support, or questions regarding Senco KC27APBK framing nails, please contact Senco customer service:
- Website: www.senco.com
- Phone: 1-800-543-4596 (USA)





