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CRN45 Pneumatic Coil Roofing Nailer

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WEIGHT:2.58kgs(5.67lbs) Aluminum body DIMENSIONS:313mm x 116mm x 271mm LOAD CAPACITY:120pcs OPERATING PRESSURE:70-120psi(5-8.3bar)
  • CRN45

  • KYA

  • KYA-CRN45

  • 2.58kgs(5.67lbs)

  • 70-120psi(5-8.3bar)

  • 120 Nails

  • 15 Degree wire coil roofing nails


Product Description


CRN45 Coil Roofing Nailer and siding nailer features an ultra-lightweight aluminum body to minimize fatigue. Most powerful. The Load-N-Go magazine holds 120 15 degree wire coil roofing nails collated Nails from 3/4 in. to 1-3/4 in. length and 0.120 in. Dia. The thick rubber guards minimize housing damage and more comfortable. Adjustable exhaustor direction and holds down the noise.

Similar to:BOSTITCH RN46 coil roofing nailer,Hitachi NV45AB2 coil roofing nailer,Senco 455XP coil roofing nailer,Max CN445R2 coil roofing nailer etc.

Product Description

Model: CRN45 Pneumatic Coil Roofing Nailer
Air Tool Type: Air Nailer
Tool Diamensions: 313mmx116mmx271mm(12-3/8"x4-5/8"x10-5/8")
Net Tool Weight: 2.58kgs(5.67lbs)
Body Material: Aluminum Body
Operate Pressure: 70-120psi(5-8.3bar)
Load Capacity: 120 Nails
Fasteners Type: 15 Degree wire coil roofing nails
Fasteners Head Diameter: 0.413"(10.5mm)
Fasteners Shank Diameter: 0.120"(3.05mm)
Fasteners Length: 3/4"(19mm)-1-3/4"(45mm)

15 degree coil roofing nails


   360° exhaust direction

   "Contact mode" safety system

   "Sequential mode" can be available by changing trigger

   Light die cast body of aluminum alloy

   Use 15°wire coil roofing nails

   Depth control system 

   Side loading system



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 


1. All spare parts are changeable with MAX

2. Spare parts can be supplied to you.

3. Very powerful for hard wood

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  May 28th-30th,2024  
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