The KYA CRN45 pneumatic coil roofing nailer is designed for professional roofing and exterior fastening applications including asphalt shingles, insulation board, roof decking and compatible siding work. Its aluminum body weighs 2.58kg (5.67lbs) and the side-load magazine holds up to 120 roofing nails.
CRN45 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.
| Parameter | Specification |
|---|---|
| Model | CRN45 |
| 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) |
| Reference Roofing Nailer Models | Bostitch RN46, Hitachi / Metabo HPT NV45AB2, Senco RoofPro 455XP, Max CN445R2/R3. Specifications vary by model; confirm the nail collation angle and fastener range before use. |
The magazine holds up to 120 roofing nails. The side-load configuration is designed for convenient coil loading and reloading during roofing work.
Depth adjustment allows the operator to control nail drive depth for different roofing and sheathing materials.
The adjustable exhaust directs discharge air away from the operator and work surface.
The CRN45 product information lists both contact and sequential firing options for different operating requirements.
The aluminum die-cast body keeps tool weight at 2.58kg, while the rubber grip provides a secure handling surface for professional use.
CRN45 is specified for 15° wire collated roofing coil nails with a .120" (3.05mm) shank diameter and lengths from 3/4" to 1-3/4" (19–45mm).
When selecting roofing nails, confirm the complete fastener specification including collation angle, nail length, shank diameter, head dimensions and shank style. Roofing nailers from different manufacturers may use similar nail dimensions but can specify different magazine angles or operating requirements.
Asphalt shingles – residential and professional roofing installation
Insulation boards – compatible roofing and sheathing applications
Roof decking – suitable plywood and OSB fastening
Fiber cement siding – compatible exterior fastening applications
Vinyl siding – suitable light-duty installation applications
| Symptom | Possible Cause | Suggested Check |
|---|---|---|
| Air leak at cap | Loose or worn O-ring | Inspect and replace the head valve O-ring 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" roofing coil nails. |
| Tool does not fire | Trigger obstruction or insufficient air pressure | Inspect the trigger mechanism and verify air pressure is within the specified range. |
CRN45 is specified for 15° wire collated roofing nails from 3/4" to 1-3/4" (19–45mm) with a .120" (3.05mm) shank diameter.
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).
These are comparable professional coil roofing nailers, but their specifications are not identical. For example, the NV45AB2 is specified by its manufacturer for 16° wire coil nails. Nail angle, dimensions and tool requirements should be checked separately before use.
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 CRN45 includes MOQ 1 unit, custom color/logo options, a listed 3-year warranty and 15–25 day lead time.
