CN50G Pneumatic Construction Coil Nailer is a lightweight air coil nailer designed for construction fastening, gypsum board, interior boards and metal sheet roofing applications. With an aluminum body, 1.75kg / 3.86lbs net weight, 70–100psi / 5–7bar operating pressure and 200 nails load capacity, the CN50G helps contractors improve fastening efficiency while reducing operator fatigue.
This pneumatic construction coil nailer is compatible with 15 degree flat plastic sheet coil nails and mini-scrail fasteners. It accepts fasteners from 1 inch to 2 inch / 25mm to 50mm, with 0.086 inch to 0.099 inch / 2.2mm to 2.5mm shank diameter and smooth, screw or ring shank options.
The CN50G air coil nailer is engineered for fast, stable and precise fastening in construction jobs that require compact tool size and consistent nail feeding. Its rubber comfort grip helps reduce vibration, while the adjustable safety yoke supports controlled shot depth for different fastening materials.
Lightweight 1.75kg aluminum body for easy handling and reduced fatigue.
15 degree flat plastic sheet coil nail compatibility for construction fastening.
Mini-scrail fastener compatibility for selected fastening requirements.
70–100psi operating pressure works with standard pneumatic air systems.
200-nail load capacity supports efficient fastening with fewer reloads.
Rubber comfort grip improves non-slip handling and operator comfort.
Pneumatic feeding system supports accurate nailing at lower air pressure.
| Specification | Details |
|---|---|
| Product Name | CN50G Pneumatic Construction Coil Nailer |
| Model | CN50G |
| Brand | KYA |
| Code | KYA-CN50G |
| Tool Type | Air Nailer / Pneumatic Coil Nailer |
| Dimensions | 299mm x 133mm x 260mm / 11-3/4" x 5-1/4" x 10-3/8" |
| Net Weight | 1.75kg / 3.86lbs |
| Body Material | Aluminum |
| Operating Pressure | 70–100psi / 5–7bar |
| Load Capacity | 200 nails |
| Fastener Type | 15 Degree Flat Plastic Sheet Coil Nails, Mini-Scrail Fasteners |
| Fastener Head Diameter | 0.208"–0.281" / 5.3mm–7.15mm |
| Fastener Shank Diameter | 0.086"–0.099" / 2.2mm–2.5mm |
| Fastener Length | 1"–2" / 25mm–50mm |
| Fastener Shank Type | Smooth, Screw, Ring |
Ultra-lightweight body: 1.75kg aluminum body reduces fatigue during overhead and repetitive fastening.
Rubber comfort grip: Non-slip handle helps reduce vibration and improve control.
Adjustable safety yoke: Allows controlled shot depth for different materials and fastening conditions.
Special nose design: Helps guide straight and precise nail shots.
Pneumatic feeding system: Supports accurate nailing at low pressures.
Wide fastener support: Accepts smooth, screw and ring shank coil nails for different fastening needs.
The CN50G Pneumatic Construction Coil Nailer is designed for construction fastening tasks that require light tool weight, fast coil loading and stable nailing performance.
Fastening gypsum board
Fastening interior boards
Metal connector fastening for metal sheet roofing
Light construction fastening with 15 degree plastic sheet coil nails
Contractor, workshop and production-line fastening tasks
| Fastener Requirement | CN50G Specification | Buying Note |
|---|---|---|
| Collation Type | 15 Degree Flat Plastic Sheet Coil Nails | Confirm 15° plastic sheet collation before ordering nails. |
| Fastener Length | 1"–2" / 25mm–50mm | Choose length according to board thickness and fastening material. |
| Shank Diameter | 0.086"–0.099" / 2.2mm–2.5mm | Use only compatible shank diameters to reduce jams and misfire risk. |
| Head Diameter | 0.208"–0.281" / 5.3mm–7.15mm | Confirm head size for stable feeding and correct seating. |
| Shank Type | Smooth, Screw, Ring | Smooth for general fastening, ring or screw for stronger holding power. |
Before purchasing the CN50G, confirm your required fastener length, shank diameter, nail head diameter, magazine capacity, air pressure system and application material. Matching the tool and nails correctly helps reduce jams and improves fastening consistency.
| No. | Symptom | Problem | Solution |
|---|---|---|---|
| 1.1 | Air leak in cylinder cap when tool is idle | Loose head valve piston seal or o-rings | Check and replace head valve piston set. |
| 1.1 | Air leak in cylinder cap when tool is idle | Worn or damaged o-ring or cylinder cap gasket | Check and replace o-ring or cylinder cap gasket. |
| 1.2 | Air leak in trigger area when tool is idle | Damaged o-ring in trigger valve | Check and replace o-ring. |
| 1.2 | Air leak in trigger area when tool is idle | Damaged o-ring in trigger valve stem | Check and replace o-ring. |
| 1.2 | Air leak in trigger area when tool is idle | Dirt in the trigger valve | Check and clean the trigger valve. |
| 1.3 | Air leak in cylinder cap when tool is working | Damaged head valve piston o-rings | Check and replace o-rings. |
| 1.3 | Air leak in cylinder cap when tool is working | Damaged seal under cylinder cap | Check and replace seal. |
| 1.4 | Air leak in nose when tool is working | Worn or damaged bumper | Check and replace bumper. |
| 1.4 | Air leak in nose when tool is working | Loose driver piston unit thread | Check and replace driver piston unit. |
| 1.5 | Air leak in trigger area when tool is working | Worn or damaged trigger valve head | Check and replace trigger valve head. |
| 1.5 | Air leak in trigger area when tool is working | Damaged head valve piston o-rings | Check and replace head valve piston o-rings. |
| 2 | Driver piston unit fails to return to correct position | Driver piston unit is not straight or driver guide nose is misassembled | Straighten driver piston unit or verify driver guide nose and magazine. |
| 2 | Driver piston unit fails to return to correct position | Worn or damaged nozzle | Check and replace nozzle. |
| 2 | Driver piston unit fails to return to correct position | Tight space between piston o-ring and cylinder | Check cylinder lubrication or replace piston o-ring. |
| 3 | Tool works weakly or sluggishly | Worn or damaged piston o-ring | Check and replace piston o-ring. |
| 3 | Tool works weakly or sluggishly | Inadequate lubrication or tight head valve piston o-rings | Apply 2–6 drops of oil on o-rings or replace head valve piston o-rings. |
| 3 | Tool works weakly or sluggishly | Dirt in the nozzle | Check and clean the nozzle. |
| 4 | Tool jams frequently | Damaged or worn driver piston unit | Check and replace driver piston unit. |
| 4 | Tool jams frequently | Damaged or worn driver guide nose | Check and replace driver guide nose. |
| 4 | Tool jams frequently | Bent driver guide cover causing excessive space | Check and replace driver guide cover. |
| 5 | Nail cannot be shot | Driver piston unit cannot return to correct position | Refer to Symptom 2 and inspect driver return system. |
| 5 | Nail cannot be shot | Driver guide nose misaligned with magazine | Check and correct position between driver guide nose and magazine. |
| 5 | Nail cannot be shot | Worn or damaged nail pusher compression spring | Check and replace nail pusher compression spring. |
It is used for fastening gypsum board, interior boards and metal connectors for metal sheet roofing. It is also suitable for light construction fastening with compatible 15 degree flat plastic sheet coil nails.
The CN50G supports 15 degree flat plastic sheet coil nails and mini-scrail fasteners from 1 inch to 2 inch long, with 0.086 inch to 0.099 inch shank diameter and 0.208 inch to 0.281 inch head diameter.
The recommended operating pressure is 70–100psi, equal to approximately 5–7bar. Stable air pressure helps maintain consistent fastening performance.
The CN50G holds up to 200 nails, helping reduce reload frequency during construction fastening tasks.
The CN50G supports smooth, screw and ring shank coil nails, allowing users to select fasteners based on holding power, material and application requirements.
Use the correct 15 degree flat plastic sheet coil nails, confirm shank diameter and head diameter, keep the magazine aligned, clean the nose area and inspect the driver piston unit, driver guide nose and driver guide cover for wear or damage.
Yes. KYA can help match the CN50G coil nailer with compatible 15 degree flat plastic sheet coil nails, mini-scrail fasteners, spare parts and packaging according to your application and order quantity.
KYA Fasteners supplies industrial fasteners, pneumatic tools, coil nailers, staplers, hog ring tools and fastening solutions for global customers. For construction fastening, KYA provides coil nailers, plastic sheet coil nails, wire coil nails, mini-scrail fasteners and related spare parts.
Contact KYA to get factory-direct pricing for CN50G Pneumatic Construction Coil Nailer, including tool specifications, compatible nails, spare parts, sample support, bulk order pricing and shipping schedule.
