TRUST 4481-SN Heavy Duty US15 Grade 2 Commercial Office Door Keyed Lever Lockset, ADA, Satin Nickel Finish
  • Material:Zinc Alloy & SUS304
  • Type:Grade 2 Heavy Duty Commercial Door Lock
  • Rose:75mm
  • Function:ET (BK, PS, ST, DM, CL, CM )
  • Keyway:SC1 (KW1,Ya or C4 optional)
  • Finish:SS/32D, SN/15, SC/26D, PB/3, RB/10B...
  • Backset:2-3/4"(70mm) standard, 2-3/8"(60mm) optional
  • Cylinder:6-pin full brass removable core
  • Quality:ANSI Grade 2 Exceeds 450,000 Cycles
  • Door Thickness:1-3/8"(35mm) to 2"(50mm)
  • Place of Origin:CN;GUA
  • Brand Name:TRUST
  • Model Number:4481-SN
  • Certification:ANSI GRADE 2
Product Description


US StandardANSI Grade 2 Heavy Duty Commercial Door Lock 4481

**Heavy duty commercial Lever Lock-Meets with ANSI A156.2 Grade 2 Exceeds 400,000 Cycles.

**High Security Level: Thru bolts are provided and recommended for use in high security doors.

1. Cylinder: Solid Brass 6 pin tumbler Removable & rekeyable cylinder

2. Rosette: SUS304 SS or solid brass , Rosette 75mm Diam;

3. Latch: 304SS material tongue & Faceplate; 70mm(2-3/4") as standard; 60mm optional;
4. Faceplate: Square corner, standard (LxW): 1"X 2-1/4"(25*57*1.5mm), 1-1/8"X 2-1/4"( 28.6*57*1.5mm) as optional.

5. Strike:

  • heavy gauge T"Shape strike plate LxW: 70x28mm (standard) 2-3/4"(70mm) x 28mmx1.6mm,304SS material.
  • Optional ASA strike 4-7/8"(123.8mm) x 1 1/4"(31.7mm) x2.0mm, #430SS material.

6. Backset: 70mm(2-3/4") as standard; 60mm(2-3/8") also available.

7. Door Thick:Fit wood or metal doors from 1-3/8"(35mm) to 2"(50mm) thick as standard;

8. Finish:SS/32D, SN/15, SC/26D, RB/10B, PB/3, AB/5, CP/26 or optional

9. Keyway: SC1, KW1, Ya or C4 optional.

10. Function: ET(Entrance), BK(Privacy), PS(Passage), ST(Storeroom), CL(Classroom), CM( Communication), DM(Dummy)

11. Door Prep: Cross bore 2-1/8"(54mm),Edge bore1"(25mm),Latch face 1"x2-1/4"(25x57mm).


Related Product

Packaging & Shipping




Company Information



1:We are Specializes in Grade 2 & Grade 3 Knob and Lever Door Lock,Hollow & Solid Lever handle,Mortise Lock Body and other Common Hardware accessory for over 10 years in ZhongShan,China.Now We have over 300 staffs and 130,000 Square feet's Factory.

2:We insist Quality and Price frist. I know the high quality and competitive price of Lock products are always attractive. All of our clients from US,Europe,Candan,Australia,Asia and South America are speak highly of our High competitive products quality which meet international Standard and USA ANSI specification for Grade 2 & Grade3.

3:Professional Knowledge about the Lock tool.We have experienced Salesman and engineer.They willgive you the most useful suggestion and idea.Fashion and modern design of products always show by our website and attract your eyes.Just like our polished chrome Door Lock.

4 :Serve is the same important.Now the Serve after the deal is important among the modern trade.We will solve all the problem with our true attitude forever.