CN80
KYA
KYA-CN80
3.98kgs (8.78lbs)
70-120psi (5-8.3bar)
225-300 pcs
15 Degree Flat Wire Coil Nails
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The CN80 Pneumatic Coil Framing Nailer is a professional-grade tool designed for high-speed, reliable performance in framing, siding, decking, and more. With a robust aluminum body, rapid-fire trigger, and adjustable depth control, it’s ideal for construction projects requiring precision and durability.
Rapid-fire trigger for high-speed fastening
Easy-load magazine holds 225–300 nails (up to 3-1/4" x 0.131")
Dial-adjustable depth control without special tools
Heavy-duty die-cast aluminum construction for durability
Ergonomic design with rubber grip for comfort
Comparable to MAX CN80 and Bostitch N80CB nailers
| Model | CN80 Pneumatic Coil Framing Nailer |
| Air Tool Type | Air Nailer |
| Tool Dimensions | 14-1/4" x 5-3/16" x 12-1/8" (362mm x 132mm x 307mm) |
| Net Tool Weight | 8.78 lbs (3.98 kg) |
| Body Material | Aluminum Body |
| Operating Pressure | 70–120 psi (5–8.3 bar) |
| Load Capacity | 225–300 Nails |
| Fastener Type | 15 Degree Flat Wire Coil Nails |
| Fastener Head Diameter | 0.236"–0.315" (6.0mm–8.0mm) |
| Fastener Shank Diameter | 0.099"–0.131" (2.5mm–3.3mm) |
| Fastener Length | 2"–3-1/4" (50mm–83mm) |
| Fastener Shank Type | Smooth, Screw, Ring |

Fastener Type: 15 Degree Flat Wire Coil Nails
Head Diameter: 0.236"–0.315" (6.0mm–8.0mm)
Shank Diameter: 0.099"–0.131" (2.5mm–3.3mm)
Length: 2"–3-1/4" (50mm–83mm)
Shank Type: Smooth, Screw, Ring
Powerful and durable aluminum housing for long-term use
Large-capacity magazine holds up to 300 nails
Heat-treated nose for extended service life
Safety guard prevents injuries from nails or debris
Lightweight design with comfortable rubber grip
High-power nailing for efficient, professional results
Assembly and repair of pallets, drums, and export wooden boxes
Wooden fencing for durable outdoor structures
Crating for robust packaging solutions
General construction tasks including siding, decking, and sheathing
Framing and subflooring for reliable structural work
| No. | Symptom | Problem | Solution |
|---|---|---|---|
| 1.1 | Air leak in cylinder cap when tool is idle | Loose head valve piston seal or O-rings | Replace head valve piston set |
| Worn or damaged O-ring or cylinder cap gasket | Replace O-ring or cylinder cap gasket | ||
| 1.2 | Air leak in trigger area when tool is idle | Damaged O-ring in trigger valve | Replace O-ring |
| Damaged O-ring in trigger valve stem | Replace O-ring | ||
| Dirt in trigger valve | Clean trigger valve | ||
| 1.3 | Air leak in cylinder cap during operation | Damaged head valve piston O-rings | Replace O-rings |
| Damaged seal under cylinder cap | Replace seal | ||
| 1.4 | Air leak in nose during operation | Worn or damaged bumper | Replace bumper |
| Loose driver (piston unit) thread | Replace driver (piston unit) | ||
| 1.5 | Air leak in trigger area during operation | Worn or damaged trigger valve head | Replace trigger valve head |
| Damaged head valve piston O-rings | Replace head valve piston O-rings | ||
| 2 | Driver (piston unit) fails to return to correct position | Driver (piston unit) is misaligned or driver guide (nose) is incorrectly assembled | Straighten driver (piston unit) or verify driver guide (nose) and magazine alignment |
| Worn or damaged nozzle | Replace nozzle | ||
| Tight space between piston O-ring and cylinder | Lubricate cylinder or replace piston O-ring | ||
| 3 | Tool operates weakly or sluggishly | Worn or damaged piston O-ring | Replace piston O-ring |
| Inadequate lubrication or tight head valve piston O-rings | Apply 2–6 drops of oil to O-rings or replace head valve piston O-rings | ||
| Dirt in the nozzle | Clean the nozzle | ||
| 4 | Tool jams frequently | Damaged or worn driver (piston unit) | Replace driver (piston unit) |
| Damaged or worn driver guide (nose) | Replace driver guide (nose) | ||
| Bent driver guide cover causing excessive space | Replace driver guide cover | ||
| 5 | Nail cannot be shot | Driver (piston unit) cannot return to correct position | Refer to Symptom 1 |
| Driver guide (nose) misaligned with magazine | Correct alignment between driver guide (nose) and magazine | ||
| Worn or damaged nail pusher compression spring | Replace nail pusher compression spring |
The CN80 is ideal for framing, siding, decking, subflooring, crating, and pallet assembly, offering high-speed and reliable performance for construction tasks.
It uses 15-degree flat wire coil nails with head diameters of 0.236"–0.315" (6.0mm–8.0mm), shank diameters of 0.099"–0.131" (2.5mm–3.3mm), and lengths of 2"–3-1/4" (50mm–83mm).
The CN80 operates at 70–120 psi (5–8.3 bar), ensuring powerful performance for professional applications.
Air leaks may result from worn O-rings, seals, or dirt in the trigger valve or cylinder cap. Refer to the troubleshooting guide above for specific solutions.
The CN80’s magazine holds 225–300 nails, allowing continuous operation for high-volume tasks.
Yes, its die-cast aluminum body, heat-treated nose, and high-power nailing make it ideal for heavy-duty tasks like framing and sheathing.
With over 20 years of expertise, KYA Fasteners is a leading global supplier of pneumatic nailers and fastening solutions. The CN80 Pneumatic Coil Framing Nailer is engineered for durability and precision in construction and industrial applications. For bulk orders or custom solutions, Request a Quote today.
The CN80 Pneumatic Coil Framing Nailer is a professional-grade tool designed for high-speed, reliable performance in framing, siding, decking, and more. With a robust aluminum body, rapid-fire trigger, and adjustable depth control, it’s ideal for construction projects requiring precision and durability.
Rapid-fire trigger for high-speed fastening
Easy-load magazine holds 225–300 nails (up to 3-1/4" x 0.131")
Dial-adjustable depth control without special tools
Heavy-duty die-cast aluminum construction for durability
Ergonomic design with rubber grip for comfort
Comparable to MAX CN80 and Bostitch N80CB nailers
| Model | CN80 Pneumatic Coil Framing Nailer |
| Air Tool Type | Air Nailer |
| Tool Dimensions | 14-1/4" x 5-3/16" x 12-1/8" (362mm x 132mm x 307mm) |
| Net Tool Weight | 8.78 lbs (3.98 kg) |
| Body Material | Aluminum Body |
| Operating Pressure | 70–120 psi (5–8.3 bar) |
| Load Capacity | 225–300 Nails |
| Fastener Type | 15 Degree Flat Wire Coil Nails |
| Fastener Head Diameter | 0.236"–0.315" (6.0mm–8.0mm) |
| Fastener Shank Diameter | 0.099"–0.131" (2.5mm–3.3mm) |
| Fastener Length | 2"–3-1/4" (50mm–83mm) |
| Fastener Shank Type | Smooth, Screw, Ring |

Fastener Type: 15 Degree Flat Wire Coil Nails
Head Diameter: 0.236"–0.315" (6.0mm–8.0mm)
Shank Diameter: 0.099"–0.131" (2.5mm–3.3mm)
Length: 2"–3-1/4" (50mm–83mm)
Shank Type: Smooth, Screw, Ring
Powerful and durable aluminum housing for long-term use
Large-capacity magazine holds up to 300 nails
Heat-treated nose for extended service life
Safety guard prevents injuries from nails or debris
Lightweight design with comfortable rubber grip
High-power nailing for efficient, professional results
Assembly and repair of pallets, drums, and export wooden boxes
Wooden fencing for durable outdoor structures
Crating for robust packaging solutions
General construction tasks including siding, decking, and sheathing
Framing and subflooring for reliable structural work
| No. | Symptom | Problem | Solution |
|---|---|---|---|
| 1.1 | Air leak in cylinder cap when tool is idle | Loose head valve piston seal or O-rings | Replace head valve piston set |
| Worn or damaged O-ring or cylinder cap gasket | Replace O-ring or cylinder cap gasket | ||
| 1.2 | Air leak in trigger area when tool is idle | Damaged O-ring in trigger valve | Replace O-ring |
| Damaged O-ring in trigger valve stem | Replace O-ring | ||
| Dirt in trigger valve | Clean trigger valve | ||
| 1.3 | Air leak in cylinder cap during operation | Damaged head valve piston O-rings | Replace O-rings |
| Damaged seal under cylinder cap | Replace seal | ||
| 1.4 | Air leak in nose during operation | Worn or damaged bumper | Replace bumper |
| Loose driver (piston unit) thread | Replace driver (piston unit) | ||
| 1.5 | Air leak in trigger area during operation | Worn or damaged trigger valve head | Replace trigger valve head |
| Damaged head valve piston O-rings | Replace head valve piston O-rings | ||
| 2 | Driver (piston unit) fails to return to correct position | Driver (piston unit) is misaligned or driver guide (nose) is incorrectly assembled | Straighten driver (piston unit) or verify driver guide (nose) and magazine alignment |
| Worn or damaged nozzle | Replace nozzle | ||
| Tight space between piston O-ring and cylinder | Lubricate cylinder or replace piston O-ring | ||
| 3 | Tool operates weakly or sluggishly | Worn or damaged piston O-ring | Replace piston O-ring |
| Inadequate lubrication or tight head valve piston O-rings | Apply 2–6 drops of oil to O-rings or replace head valve piston O-rings | ||
| Dirt in the nozzle | Clean the nozzle | ||
| 4 | Tool jams frequently | Damaged or worn driver (piston unit) | Replace driver (piston unit) |
| Damaged or worn driver guide (nose) | Replace driver guide (nose) | ||
| Bent driver guide cover causing excessive space | Replace driver guide cover | ||
| 5 | Nail cannot be shot | Driver (piston unit) cannot return to correct position | Refer to Symptom 1 |
| Driver guide (nose) misaligned with magazine | Correct alignment between driver guide (nose) and magazine | ||
| Worn or damaged nail pusher compression spring | Replace nail pusher compression spring |
The CN80 is ideal for framing, siding, decking, subflooring, crating, and pallet assembly, offering high-speed and reliable performance for construction tasks.
It uses 15-degree flat wire coil nails with head diameters of 0.236"–0.315" (6.0mm–8.0mm), shank diameters of 0.099"–0.131" (2.5mm–3.3mm), and lengths of 2"–3-1/4" (50mm–83mm).
The CN80 operates at 70–120 psi (5–8.3 bar), ensuring powerful performance for professional applications.
Air leaks may result from worn O-rings, seals, or dirt in the trigger valve or cylinder cap. Refer to the troubleshooting guide above for specific solutions.
The CN80’s magazine holds 225–300 nails, allowing continuous operation for high-volume tasks.
Yes, its die-cast aluminum body, heat-treated nose, and high-power nailing make it ideal for heavy-duty tasks like framing and sheathing.
With over 20 years of expertise, KYA Fasteners is a leading global supplier of pneumatic nailers and fastening solutions. The CN80 Pneumatic Coil Framing Nailer is engineered for durability and precision in construction and industrial applications. For bulk orders or custom solutions, Request a Quote today.
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