The KYA CRN45A pneumatic coil roofing nailer is designed for professional asphalt shingle roofing, lath wire, fiber cement siding, roof decking and other compatible fastening applications. Its aluminum body weighs 2.58kg (5.67lbs) and the magazine holds up to 120 roofing nails.
CRN45A operates at 70–120 PSI (5–8.3 bar) and is specified for 15° wire collated roofing nails from 3/4" to 1-3/4" (19–45mm) with a .120" (3.05mm) shank diameter. Tool-free depth adjustment allows the operator to control nail depth for different materials.
| Parameter | Specification |
|---|---|
| Model | CRN45A |
| Weight | 2.58kg (5.67lbs) |
| Dimensions | 313 × 116 × 271mm |
| Operating Pressure | 70–120 PSI (5–8.3 bar) |
| Magazine Capacity | 120 nails |
| Nail Type | 15° Wire Collated Roofing Nails |
| Nail Length | 3/4"–1-3/4" (19–45mm) |
| Shank Diameter | .120" (3.05mm) |
The tool-free depth control allows nail depth to be adjusted without additional tools, helping operators match the drive depth to different roofing and sheathing materials.
The magazine holds up to 120 nails. Its side-load design provides convenient access when loading or replacing roofing nail coils.
The 360° adjustable exhaust lets the operator direct exhaust air away from the working area.
The aluminum die-cast body keeps the listed tool weight at 2.58kg, while the rubber grip provides a secure handling surface during roofing and siding work.
CRN45A is specified for 15° wire collated roofing nails measuring 3/4"–1-3/4" (19–45mm) in length with a .120" (3.05mm) shank diameter.
Always confirm the complete nail specification before loading the tool. Roofing nailers with similar nail lengths may use different collation angles; for example, some professional roofing nailers use 16° wire coils rather than the 15° format specified for the CRN45A.
Asphalt shingles – residential roofing installation
Lath wire on plywood – compatible underlayment work
Fiber cement siding – suitable exterior wall fastening
Roof decking – compatible plywood and OSB fastening
Wooden box assembly – suitable packaging applications
| Symptom | Possible Cause | Suggested Check |
|---|---|---|
| Air leak at cap | Loose or worn O-ring | Inspect the head valve O-ring and replace if required. |
| Weak drive | Low air pressure or worn piston | Check operating pressure and inspect the piston O-ring. |
| Nail jam | Bent driver or incorrect nails | Inspect the driver and use the specified .120" 15° roofing nails. |
| Tool does not fire | Trigger obstruction or low air pressure | Inspect the trigger and confirm air pressure is within 70–120 PSI. |
Yes. The CRN45A includes tool-free depth control for adjusting nail drive depth.
It is specified for 15° wire collated roofing nails from 3/4" to 1-3/4" (19–45mm) with a .120" (3.05mm) shank.
The listed operating pressure is 70–120 PSI (5–8.3 bar).
The magazine capacity is 120 nails.
The listed tool weight is 2.58kg (5.67lbs).
The listed minimum order quantity is 1 unit.
Yes. The current product information lists custom color and logo options.
The current product information lists a 3-year warranty.
The listed lead time is 15–25 days.
Since 2003, KYA Fasteners has supplied pneumatic fastening tools and fasteners to professional buyers, distributors and contractors in more than 50 countries, including the USA, Canada, UK and Australia.
Purchasing information for the CRN45A includes MOQ 1 unit, custom color/logo options, a listed 3-year warranty and 15–25 day lead time.
