TRUST 3870-SS High Quality USA Standard Door Dummy Cylindrical Knob Lock Door Lock
  • Material:304 Stainless Steel
  • Type:Grade 3 Cylindrical Knob Lock
  • Function:ET, BK, PS, ST,CL, CM, HT, DM
  • Finish:SS/US32DD, SB/US4, SP/US32, PB, AC, AB, CP, SCP, BN, WH or required
  • Backset:2-3/4"(70mm) standard .2-3/8"(60mm) optional
  • Rosette:Small Rose(65mm) as standard, M(70mm) & L(75mm) also available.
  • Cylinder:5 pin removable core
  • Quality:ANSI Grade 3(200,000 Cycles)
  • Door Thickness:35mm (1-3/8") to 50mm (2")
  • Place of Origin:CN;GUA
  • Brand Name:TRUST
  • Model Number:3870-SS
  • Certification:ANSI GRADE 3

Product Description


1.Material: Solid brass or stainless steel construction, meet ANSI Grade 3.

2.Backset:Adjustable backset 60mm(2-3/8") and 70mm(2-3/4") as standard.

4.Door thick: Fit doors 35mm(1-3/8") to 50mm(2") thick, easy to install.

5.Rosette: Small Rose(65mm) as standard, M(70mm) & L(75mm) also available.

6.Function: 1-Entrance, 2-Privacy, 3-Passage, Dummy are available..

7.Finish: SS, SB, SP, PB, AC, AB, CP, SCP, BN, WH or required.

8.Packing: White Box Pack, Colorful Box Pack or Double Blister Pack.

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Company Information


1:We are Specializes in Grade 2 & Grade 3 Knob and Lever Door Lock,Hollow & Solid Lever handle,Mortise Lock Bodyand 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.
4 :Serve as the same important.Now the Serve after the deal also important among the modern trade.We will solve all the problem with our true attitude for the first time.