KONTOUR K2C100S - Flat Screen Mount Chief - Free user manual and instructions
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| Product Type | Single Arm Monitor Mount (Desk Clamp) |
| Brand | Chief |
| Model | KONTOUR K2C100S |
| Maximum Weight Capacity | 40 lbs (18.14 kg) |
| Mounting Type | Column mount (desk clamp), compatible with desks up to 5/8" (1.6 cm) thick |
| Adjustment Range | Height adjustable via column; pivot up to 90° left or right |
| Tilt/Swivel | Yes (Centris bracket allows tilt and swivel) |
| Cable Management | Integrated cable channels |
| VESA Compatibility | 75x75mm, 100x100mm (M4 screws included) |
| Material | Steel / Aluminum alloy (typical) |
| Color/Finish | Black (standard) |
| Dimensions (Approximate) | Arm length: ~10" (25 cm); Column height: ~15" (38 cm) |
| Weight | ~5 lbs (2.3 kg) |
| Included Accessories | M4x14mm and M4x25mm screws, spacers (for recessed holes), hex key, clamp assembly |
| Safety Features | Anti-slip clamp design; weight capacity limit; installation on solid structure required |
| Maintenance | Periodically check tightness of all screws and bolts; clean with dry cloth |
| Repairability | Spare parts available from manufacturer (contact Chief support) |
| Certifications | TÜV, UL (typical for mount products) |
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USER MANUAL KONTOUR K2C100S Chief
INSTALLATION INSTRUCTIONS

Monitor Arm Series
DISCLAIMER
Milestone AV Technologies and its affiliated corporations and subsidiaries (collectively "Milestone"), intend to make this manual accurate and complete. However, Milestone makes no claim that the information contained herein covers all details, conditions or variations, nor does it provide for every possible contingency in connection with the installation or use of this product. The information contained in this document is subject to change without notice or obligation of any kind. Milestone makes no representation of warranty, expressed or implied, regarding the information contained herein. Milestone assumes no responsibility for accuracy, completeness or sufficiency of the information contained in this document.
Chief® is a registered trademark of Milestone AV Technologies. All rights reserved.

IMPORTANT SAFETY INSTRUCTIONS!

WARNING: A WARNING alerts you to the possibility of serious injury or death if you do not follow the instructions.

CAUTION: A CAUTION alerts you to the possibility of damage or destruction of equipment if you do not follow the corresponding instructions.

WARNING: Failure to read, thoroughly understand, and follow all instructions can result in serious personal injury, damage to equipment, or voiding of factory warranty! It is the installer's responsibility to make sure all components are properly assembled and installed using the instructions provided.

WARNING: Failure to provide adequate structural strength for this component can result in serious personal injury or damage to equipment! It is the installer's responsibility to make sure the structure to which this component is attached can support five times the combined weight of all equipment. Reinforce the structure as required before installing the component. The wall to which the mount is being attached may have a maximum drywall thickness of 5/8" (1.6cm).

WARNING: Exceeding the weight capacity can result in serious personal injury or damage to equipment! It is the installer's responsibility to make sure the combined weight of all components located between the K2 Series Monitor Arm up to (and including) the display does not exceed 40 lbs (18.14 kg) for single arm mounts or 25 lbs (11.34 kg) per arm on dual arm mounts. Use with products heavier than the maximum weight indicated may result in collapse of the mount and its accessories causing possible injury.

WARNING: Use this mounting system only for its intended use as described in these instructions. Do not use attachments not recommended by the manufacturer.

WARNING: Never operate this mounting system if it is damaged. Return the mounting system to a service center for examination and repair.

WARNING: Do not use this product outdoors.
--SAVE THESE INSTRUCTIONS!--
DIMENSIONS
K2C100
![[100] 7.41 [80] [29] [1153] 120MH (RIGHT) (R6/4) LOWER PROFILE INSTALL NO. D 3.24 [75] D 2.25 PICH RANGE ±15° 180° INTERFACE ROTATION EXHORIZN MIN 2.78 [75,7] (LOWER PROFILE INSTALL) MAX 18.2 [187,7] PICH TENSION KNO3 MANUAL HEIGHT ADJUSTMENT RANGE [244,8] 5.83 HEIGHT ADJUSTMENT KNO3 GABLE MANAGEMENT CUPS [266,3] 11.41 MAX 21.04 [134,2] DESKTOP THICK/BASS RANGE [12] 50 MAX 3.25 [R2,5] LOWER PROFILE INSTALL [12d] 3.00 [131,1] 5.15](/content/2026/06/1152359/images/e88d009bccfa03a05d732ea5abe8d6afc7efa54252f8568a425a23d1764ad16d.jpg)
K2C200
![200 MAXIMUM WIDTH OF 2 FARE, LEL, FORWARD-FACING DISPLAYS: 26 [F21.5] DARIE MANAGEMENT CLIPS [89.7] [142] MAX 21.04 [534.2] [76.2] [200] 200 INTERFACE ROTATION PITCH RANGE φ5 ° EXTENSION MIN 2.36 [79.7] MAX 17.4 [450.7] PITCH TENSION KNOR MAX 1.88 Height ADJUSTMENT RANGE: [242] 8.50 DESKTOP BEONE STAMP: [12.7] [20] MAX 3.25 [87.5] HEIGHT ADJUSTMENT KNOR](/content/2026/06/1152359/images/5b23fbf630279d0254111a306248c387bb9d602da6a2e365a52182946d6cd139.jpg)
DIMENSIONS (CONTINUED)
K2W100
![CABLE MANAGEMENT CUPS +90° INTERFACE ROTATION [100] Ø 3.54 [76] Ø2.95 [86.7] 10.38 [100.0] [100.0] +90° INTERFACE ROTATION [100.0] [100.0] [81.7] 3.22 [81.7] 2.43 [100.0] [100.0] [100.0] [100.0] [100.0] [100.0] [100.0] [100.0] [100.0] [100.0] [100.0] [100.0] [100.0] [100.0] [100.0]](/content/2026/06/1152359/images/ee8b00addbc96c61b978af01916208b0dc6f76f6e70414f50943038d9e490347.jpg)
K2W200
![200 MAXIMUM WIDTH OF 2 PARALLEL, FORWARD FACING DISPLAYS: 28.25" [717.6] [100] [3.94] [76] [2.16] +80° INTERFACE ROTATION PITCH RANGE ±10° EXTENSION MIN 2.58 (75.7) MAX 17.2 (536.9) PITCH TENSION KNO 5 CABLE MANAGEMENT CLPS [147.7] 5.81 [81.7] 3.22 [61.9] 2.44](/content/2026/06/1152359/images/404ae44aa5ebe74bc415a532f25a033cffcc333984fabd8ebefd0e8336fa4ce0.jpg)
DIMENSIONS (CONTINUED)
![K2P100 POLE CLAMP RANGE Ø 1.50 [38.1] - 1.90 [48.3] [73.6] 3.19 MAX ROTENSION 19.60 [491.6] [300] Ø 3.94 [75] Ø2.95 +90° INTERFACE ROTATION PITCH RANGE ±15° PITCH TENSION KNOB CABLE MANAGEMENT CUPS](/content/2026/06/1152359/images/3fbe12750865f80dc5afacd768d610dd2142915b773bc0ed1e6b127bbfdd6642.jpg)
![K2P200 POLE CLAMP RANGE Ø 1.50 [38.1] - 1.90 [48.3] MAXIMUM WIDTH OF 2 PARALLEL, FORWARD-FACING DISPLAYS: 28.24 [717.6] EXTENSION RANGE 2.98 (75.7) 16.48 (418.5) [100] Ø 3.94 [75] Ø 2.96 ±90° INTERFACE ROTATION PITCH RANGE ±15° PITCH TENSION KNOB CABLE MANAGEMENT CUPS](/content/2026/06/1152359/images/eb87346841d3fc776a51cfddf120ba677586309fbf1f7e8e6883329c6d368e64.jpg)
LEGEND
![]() | Tighten Fastener |
| Apretar elemento de fijación | |
| Befestigungsteil festziehen | |
| Apertar fixador | |
| Serrare il fissaggio | |
| Bevestiging vastdraaien | |
| Serrez les fixations | |
![]() | Loosen Fastener |
| Aflojar elemento de fijación | |
| Befestigungsteil lösen | |
| Desapertar fixador | |
| Allentare il fissaggio | |
| Bevestiging losdraaien | |
| Desserrez les fixations | |
![]() | Phillips Screwdriver |
| Destornillador Phillips | |
| Kreuzschlitzschraubendreher | |
| Chave de fendas Phillips | |
| Cacciavite a stella | |
| Kruiskopschroevendraaier | |
| Tournevis à pointe cruciforme | |
![]() | Open-Ended Wrench |
| Llave de boca | |
| Gabelschlüssel | |
| Chave de bocas | |
| Chiave a punte aperte | |
| Steeksleutel | |
| Clé à fourche | |
![]() | By Hand |
| A mano | |
| Von Hand | |
| Com a mão | |
| A mano | |
| Met de hand | |
| À la main | |
![]() | Hex-Head Wrench |
| Llave de cabeza hexagonal | |
| Sechskantschlüssel | |
| Chave de cabeça sextavada | |
| Chiave esagonale | |
| Zeskantsleutel | |
| Clé à tête hexagonale |






TOOLS REQUIRED FOR INSTALLATION






3/16" (included) 5/32" (included with K1P Series only)
PARTS

natural_image
Simple black-and-white icon of an open box with a curved arrow indicating rotation or movement (no text or symbols)
natural_image
Technical line drawing of a mechanical device with two articulated arms and wheels (no text or symbols)A (1) [monitor arm] (K2W100 shown)



*8 screws and washers included with dual arm mounts
B (4 or 8)* M4x14mm
C (4 or 8)* M4x25mm
D (4 or 8)* M10x5.3x10

[included with K2W Series (wall mount) only!]


F (2) 1/4 × 2 1/2"
G (2) 1/4"
E (1) [wall bracket]

[included with K2P Series (pole mount) only!]

J (4) 1/4-20 x 1 1/2"

K (4) 1/4-20 x 1"

L (1) 5/32"
H (1) [pole clamp]

Assembly And Installation
IMPORTANT ! : IF you will be installing a SINGLE display with RECESSED mounting holes, then proceed to "DISPLAY INSTALLATION" before continuing with this mount installation procedure.
Connecting K2C Series (column mount) to Desk Standard Installation
- Loosen clamp screw until enough space is created between clamp and mount to allow for desk mounting. (See Figure 1)
NOTE: If space is limited behind desk (i.e. against wall, etc.), remove clamp screw and attachment entirely and reattach clamp screw prior to Step 3! (See Figure 2) - Place mount on top of desk at desired mounting location. (See Figure 1)
- Tighten clamp using clamp screw until mount is securely fastened to desk. (See Figure 1)

Figure 1

natural_image
Technical line drawing of a mechanical clamp assembly with mounting bracket (no text or symbols)Figure 2
Low Profile Installation (KC2 Series Only)
- Remove top cap from column. (See Figure 3)
- Slide mount assembly off of column. (See Figure 3)

Figure 3
- Rotate mount in 90 degrees in either direction prior to reinstalling onto column. (See Figure 4)
- Reinstall onto column and adjust to desired height. (See Figure 4)
- Reinstall top cap to column. (See Figure 4)

Figure 4
- Proceed with standard installation to desk as shown in "Standard Installation" section.

Figure 5
Connecting K2W Series (wall mount) to Wall
- Determine mounting location on wall.
- Use a stud finder to locate stud.
- Use wall bracket to mark and drill two 3/16" x 2 1/2" holes in wall at desired mounting location. (See Figure 5)
- Use two 1/4-2 1/2" hex head lag screws (F) and two 1/4" washers (G) to install wall bracket onto wall. (See Figure 5)
IMPORTANT ! : Overtightening screws (F) may cause bracket to compress into soft wall surface resulting in difficult mount installation or improper engaging of set screw in Step 6.
-
Hang monitor arm (A) over wall bracket. (See Figure 5)
-
Secure monitor arm to wall bracket by tightening set screw. Ensure set screw engages back side of wall bracket (E) to properly secure mount. (See Figure 5)
Connecting K2P Series (pole mount) to Wall
- Determine approximate location for mount keeping in mind display size, extension, height adjustment requirements.
- Place mount (A) against pole with clamp (H) on opposite side of pole. (See Figure 6)
- Using 5/32" hex key (L) and appropriate length screws, loosely attach K1P assembly to pole clamp (H). If installing to 1 1/2" NPT pipe, use 1/4-20 x 1 1/2" button head cap screws (J). If installing to 1 1/2" diameter pipe, use 1/4-20 x 1" button head cap screws (K). (See Figure 6)
- Position mount at desired height and orientation.
- Equally tighten screws against mount and the pole clamp.

Figure 6
Display Installation
The mounting holes on the back of the display will either be flush with the back surface or recessed into the back surface. Refer to the applicable installation procedure.
Flush Mounting Holes

CAUTION: Using screws of improper size may damage your display! Proper screws will easily and completely thread into display mounting holes.

CAUTION: Inadequate thread engagement in display may cause display to fall! Back out screws ONLY as necessary to allow installation of Centris bracket!
- Ensure faceplate is able to swivel and tilt easily, yet still be tight enough to hold display in desired position. Adjust as required before proceeding. See "ADJUSTMENT" for detail. (See Figure 7)
- Using Phillips screwdriver, carefully install two M4x12mm screws (B) into the upper mounting holes on the display. Thread screws completely into display, then back out 3 complete turns. (See Figure 7)
- Pick up and align display so that screws (B) (installed on the back of the display in the previous step) fit into the mounting holes on the faceplate. Rotate the bracket as required. Lower the display firmly into place. (See Figure 7)

Figure 7
- Using Phillips screwdriver, install two remaining M4x14mm Phillips screws (B) through the lower mounting holes in faceplate into the display. (See Figure 7)
- Tighten all four screws (B). Do not overtighten!
Recessed Mounting Holes
- Ensure Centris bracket is able to swivel and tilt easily, yet still be tight enough to hold display in desired position. Adjust as required before proceeding. See "ADJUSTMENT" for detail.
- Carefully place display face down on protective surface.
- Place the four spacers (D) over each of the mount holes on the back of the display. (See Figure 8)
- Pick up and orient the mount (A) so that the mounting holes are aligned with the holes in the spacers; rotate the bracket as required. (See Figure 8)
-
Using Phillips screwdriver, install four M4x25mm screws (C) through the mounting holes, through the spacers and into the display. (See Figure 8)
-
Tighten all four screws. Do not overtighten!

Figure 8
Adjustments
Column Height Adjustment (K2C Series only)
- Loosen column adjustment knob. (See Figure 9)
- Adjust height to desired level. (See Figure 9)
- Tighten column adjustment knob. (See Figure 9)

Figure 9
Pivot Adjustment Range
Single Arm Models (K2C100, K2W100 and K2P100)
- Adjust arm angle as desired up to 90 degrees in either direction. (See Figure 10)

WARNING: Swinging the arm beyond 90 degrees may result in the mount slipping off the desk causing serious injury!

Figure 10
Dual Arm Models (K2C200, K2W200 AND K2P200)
- Adjust arm angles as desired within a 90 degree range from the edge of desk or wall and a perpendicular centerline of mount. (See Figure 11)

WARNING: Swinging the arm beyond this range may result in the mount slipping of the desk causing serious injury!

Figure 11
Swing Arm Pivot Adjustment
- Adjust pivot position as desired. (See Figure 12)
- Adjust pivot point tension screws to change pivot adjustment tension. (See Figure 12)

Figure 12
Cable Management
- Route cables through cable management channels. (See Figure 13)

Figure 13





