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CN90B Pneumatic Best Framing Nailer CN90B Pneumatic Best Framing Nailer
CN90B Pneumatic Best Framing Nailer CN90B Pneumatic Best Framing Nailer
CN90B Pneumatic Best Framing Nailer CN90B Pneumatic Best Framing Nailer
CN90B Pneumatic Best Framing Nailer CN90B Pneumatic Best Framing Nailer


CN90B Pneumatic Best Framing Nailer

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CN90B Air Coil Nailer WEIGHT:3.90kgs(8.58lbs) Aluminum body 3.50kgs(7.70lbs) Magnesium body DIMENSIONS:360mm x 312mm x 141mm LOAD CAPACITY:200pcs-300pcs OPERATING PRESSURE:70-120psi(5-8.3bar)
  • CN90B

  • KYA

  • KYA-CN90B

  • 3.90kgs(8.58lbs) Aluminum Body or 3.50kgs(7.70lbs) Magnesium Body

  • 70-120psi(5-8.3bar)

  • 200-300 Nails

  • 15 Degree Flat wire coil nails


Product Overview:

CN90B Pneumatic Coil Framing Nailer

The CN90B is a professional Powerful coil framing nailer, The CN90 can be used for your framing, sheathing, decking, subflooring, exterior deck, crate & box assembly, siding, and furring jobs.

● 360° Multi directional exhaust cover to blow air away from your face.

● Cushioned rubber grip and Ergonomic frame design provide comfort and balance during operation.

● Tough nylon, fast and easy loading magazine of coil nails.

● Tool-Free Depth Adjust to adjust nail countersinking and Trigger Lock for safety.

● Powerful, Rapid Nailing Performance; Ergonomic Design, Well Balanced.

● Durable nose and Anti-abrasive driver for extended tool life.

Product Description
Model: CN90B Pneumatic Best Framing Nailer
Air Tool Type: Air Nailer
Tool Diamensions: 360mmx312mmx141mm(14-1/4"x12-3/8"x5-5/8")

Net Tool Weight:

3.90kgs(8.58lbs) Aluminum Body
3.50kgs(7.70lbs) Magnesium Body

Body Material:

Aluminum Body
Magnesium Body
Operate Pressure: 70-120psi(5-8.3bar)
Load Capacity: 200-300 Nails
Fasteners Type: 15 Degree Flat wire coil nails
Fasteners Head Diameter: 0.236"(6.0mm)-0.315"(8.0mm)
Fasteners Shank Diameter: 0.113"(2.87mm)-0.131"(3.3mm)
Fasteners Length: 2"(50mm)-3-9/16"(90mm)
Fasteners Shank Type: Smooth,Screw,Ring

15 Degree Flat wire coil nails

Fasteners Head Diameter:0.236"(6.0mm)-0.315"(8.0mm)

Fasteners Shank Diameter:0.113"(2.87mm)-0.131"(3.3mm)

Fasteners Length:2"(50mm)-3-9/16"(90mm)

Fasteners Shank Type:Smooth,Screw,Ring


 Most powerful with new casting design

 Light weight with magnesium casting.

 Adjustable safety for controllable depth.


Floor and wall framing.

Roof and wall sheathing


Making pallets,drums and wooden boxes.Coil nailer application

Our Services

No.   Symptom Problems Solutions
1.1 Air Leak  Air leak in the cylinder cap when tools don't work  1.Loose head valve piston seal or o-rings . Check and replace the head valve piston set
2.Worn or damaged o-ring or cylinder cap gasket under cylinder cap  Check and replace o-ring or cylinder cap gasket under the cylinder cap
1.2 Air leak in Trigger area  when tools don't work 1.Damaged o-ring in trigger valve  Check and replace  o-ring
2.Damaged o-ring in trigger valve stem  Check and replace o-ring
3.Dirt in the trigger valve Check and clean the trigger valve
1.3 Air leak in cylinder cap when tools are working  1.Damaged head valve piston o-rings Check and replace  o-rings
2.Damaged seal under cylinder cap  Check and replace seal
1.4 Air leak in nose when tools are working  1.Worn or damaged bumper Check and replace bumper
2.Loose driver(piston unit) thread Check and replace driver(piston unit) 
1.5 Air leak in Trigger area when tools are working 1.Worn or damaged trigger valve head Check and replace trigger valve head
2.Damaged head valve piston o-rings Check and replace head valve piston o-rings
2 Failed to get driver(piston unit) back to the correct position completely. 1.The driver(piston unit) is not straight or the driver guide(nose) is wrong assembled. Straighten the driver(piston unit)  or verify driver guide(nose) and magazine  
2.Worn or damaged nozzle   Check and replace nozzle 
3.The space between piston o-ring and  cylinder is too tight. Check if the cylinder is adequate lubrication or replace the o-ring on the piston.
3 Work weakly and sluggishly 1. Worn or damaged  piston o-ring  Check and replace piston o-ring 
2.Inadequate lubrication for head valve piston o-rings or too tight head valve piston o-rings   Place 2 or 6 drops of oil on o-rings or replace  head valve piston o-rings
3.Dirt in the nozzle Check and clean the nozzle
4 Tool jams frequently 1.Damaged or Worn driver (piston unit) Check and replace driver (piston unit)
2.Damaged or Worn driver guide (nose) Check and replace  driver guide (nose)
3.Driver guide cover is bent,so the space between driver guide cover and driver guide is too big Check and replace driver guide cover 
5 Nail can not be shot 1. Driver (piston unit) can't return to the correct position. Refer to no. 1  Symptom
2.Driver guide(nose) can not match magazine well Check and correct the position between driver guide(nose) and magazine 
3.Worn or damaged nail pusher compression spring  Check and replace nail pusher compression spring 

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