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Aluminum Frame 5 Series/slot width 6/ 20x20 mm.
Aluminum profile is a device used to build machine structures. It is available in various sizes, cross-sectional shapes, and with different types of surface treatments to choose from.
[Feature]
● Shape : Square.
● Slot width : 6 mm.
● Cross-section : 20 mm. x 20 mm.
number of slot width x length = 1 X 1 slot
number of slotted surfaces = 3 sides
● Overall length :The size is configurable between 50 to 4000 mm, and the minimum length can be increased by increments 0.5 mm.
● Material : Aluminium grade A6N01SS-T5 and A6063S-T5
● Surface treatment: Clear Anodize and Black Anodize
[Application]
Used for automatic machine structures in various industries such as automotive industry, electronics industry, etc.
Part Number
Configured Part Number is shown.
KHFSF5-2020-4000


| 5 Series |
![]() |

Groove details
(common to all series)
Groove bottom details
(HFS, CAF, HFSY types)
(NFS, NFSB, NFSF, NFST types)
Enlarged view of part A
Enlarged view of part A
| Model Aluminum Frames | − | L |
| HFSFB5−2020 | − | 800 |
| type | Material | Surface Treatment | Model | L specified in 0.5mm increments | Mass kg/m | Cross-sectional area mm 2 | Moment of inertia mm 4 | |
| ℓx | ℓy | |||||||
| HFS | A6005CSS-T5 | White anodized aluminum | HFSF5-2020 | 50 to 4000 | 0.53 | 195 | 0.834× 104 | 0.834× 104 |
| HFS | A6005CSS-T5 | Black anodized aluminum | HFSFB5- 2020 | 50 to 4000 | 0.53 | 195 | 0.834× 104 | 0.834× 104 |
| Model Aluminum Frames | − | L |
| KHFSF5 − 2020 | − | 4000 |
| type | Material | Surface Treatment | Model | Lmm | Cross-sectional area mm 2 | Moment of inertia mm 4 | |
| ℓx | ℓy | ||||||
| HFS | A6005CSS-T5 | White anodized aluminum | KHF SF5-2020 | 4000 | 195 | 0.834× 104 | 0.834× 104 |
| HFS | A6005CSS-T5 | Black anodized aluminum | KHFSFB5-2020 | 4000 | 195 | 0.834× 104 | 0.834× 104 |
| classification | Additional Work name | Alteration code example | How to Use | Content |
|---|---|---|---|---|
| End face tapping | End face tap (center hole) | LTP/RTP/TPW LHP/RHP/HPW | ![]() | The frame is tapped. LTP/RTP/TPW: M5 depth 15mm LHP/RHP/HPW: M3 depth 6mm (with helical insert inserted) This processing is required for blind joints ( screw joints / simple joints ). |
| Change cutting method | High-precision cutting | SC | ![]() | Aluminum Frames, The tolerance of the overall length L has been changed from L±0.5 to L±0.2, allowing for high-precision cutting. *Only applicable to L≦1500 |
| 45 degree cut | L□T45 R□T45 | ![]() | The cut is made at a 45-degree angle. 45-degree cuts cannot be specified in the same direction with other alterations. Example: HFS6-3030-500- L TP- LAT45 ⇒ ✖ (alterations in the same direction (left)) HFS6-3030-500- L TP- RAT45 ⇒ 〇 (separate alterations on left and right) [ ! ]If you would like to cut at an angle other than 45 degrees, please contact our catalog non-standard product service . | |
| Wrench Drilling | Fixed position wrench hole | LCH/LCV/LCP RCH/RCV/RCP | ![]() | Aluminum Frames, This additional processing is required to drill a wrench hole (φ7.35) to match the position of the tap on theend face of the mating frame when fastening a blind joint that assembles frames into an L shape. Blind joints that require this processing ( screw joints / single joints / tapping joints ) |
Hole position shifted by the thickness of the frame cap | FL FR | ![]() | Aluminum Frames, The hole position for the additional fixed position wrench hole is moved by the thickness of the frame cap (2.5mm). This prevents the frame cap from protruding when assembled at a corner. | |
| Wrench holes at specified positions | AH/BH/CH/DH/EH AV/BV/CV/DV/EV AP/BP/CP/DP/EP | ![]() | Aluminum Frames, This is an additional process to drill wrench holes (φ7.35) at any desired position. It can be used whenfastening blind joints at locations other than the frame end. ・ Up to five holes can be drilled in each of the horizontal, vertical, and cross directions. [!] If you require six or more wrench holes, please contact our non-standard product service . | |
| Counterbore Drilling | Specified position counterbored hole | Z5-XA○○ Z6-YA○○ | ![]() | Aluminum Frames, This is an additional process to drill a counterbore hole (selectable from Z5 or Z6) at any position. ・Z5: Through hole φ5.5, counterbore hole φ9.5, Z6: Through hole φ6.5, counterbore hole φ11 . ・Up to five holes can be drilled in one direction. ・For frames with multiple rows of grooves on one surface, counterbore holes will be machined in all grooves. [ ! ]Aluminum Frames, If you require more than six counterbore holes or to change the direction of the counterbore holes, please contact our non-standard product service . |
| Drilling holes specifically for blind joints | M hole | LMH/LMV RMH/RMV | ![]() | Drills holes required for connecting post-assembly double joints and center joints. ( Post-assembly double joints / center joints ) |
| L hole | JLP○○-H△ | ![]() | Drill holes required for connecting parallel joints. ( Parallel joints ) | |
| Other processing | C-chamfered end | CW | ![]() | The outer periphery of the frame end face is chamfered. |
| Sticking stickers | ZZZ | ![]() | Aluminum Frames, A sticker printed with the catalog number etc. is attached to the aluminum frame. There are restrictions on the number of characters etc., but it is also possible to print the customer's serialnumber and unit number. |
■Aluminum Frames accessories
| Product name | bracket | Blind Joint | nut | Frame cap | Groove cover |
|---|---|---|---|---|---|
| photograph | ![]() | ![]() | ![]() | ![]() | ![]() |
| Product page | Here | Here | Here | Here | Here |
■List of compatible frame caps
Frame model number | Compatible frame caps | |||||
Product Type | color | Thickness | Model number | Number of uses | ||
| HFSF5-2020 HFSFB5-2020 fixed length frames (model numbers starting with K) are also the same. | ![]() | Cap stopper | black | 2.5 | HFC5-2020-B | 1 |
Cap stopper | Light gray | 2.5 | HFC5-2020-S | 1 | ||
![]() | Cap stopper (long leg type) | black | 2.5 | HFCL5-2020-B | 1 | |
Cap stopper (long leg type) of Aluminum Frames | Light gray | 2.5 | HFCL5-2020-S | 1 | ||
![]() | bolted | black | 2.5 | HFCB5-2020-B | 1 | |
bolted | Light gray | 2.5 | HFCB5-2020-S | 1 | ||
bolted | yellow | 2.5 | HFCB5-2020-Y | 1 | ||
| Part Number | - | L |
| NFSF5-2020 | - | 800 |
| KHFSF5-2020 | - | 4000 |
| Type | [ M ]Material | [ S ]Surface Treatment | Part Number | L 0.5mm Increment |
Mass kg/m |
Sectional Area mm2 | Cross Sectional Moment of Inertia mm4 | |
| ℓx | ℓy | |||||||
| HFS | A6N01SS-T5 | Clear Anodize | HFSF5-2020 | 50~4000 | 0.53 | 195 | 0.834x104 | 0.834x104 |
| HFS | A6N01SS-T5 | Black Anodize | HFSFB5-2020 | 50~4000 | 0.53 | 195 | 0.834x104 | 0.834x104 |
| Type | [ M ]Material | [ S ]Surface Treatment | Part Number | L mm |
Sectional Area mm2 | Cross Sectional Moment of Inertia mm4 | |
| ℓx | ℓy | ||||||
| HFS | A6N01SS-T5 | Clear Anodize | KHFSF5-2020 | 4000 | 195 | 0.834x104 | 0.834x104 |
| HFS | A6N01SS-T5 | Black Anodize | KHFSFB5-2020 | 4000 | 195 | 0.834x104 | 0.834x104 |
Please see the alteration details >> Click here
CAD Data download and 3D preview are not available because the part number has not yet been determined.
| Part Number |
|---|
| KHFSF5-2020-4000 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Surface Treatment | L Dimension Fixed, Specified | Overall Length L (Effective Length) (mm) | Overall Length L (mm) |
|---|---|---|---|---|---|---|---|---|---|
MYR 636.20 | 1 Piece(s) | Available | 10 Day(s) or more | - | Clear Anodize Processing | Fixed | 4000 | - |
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| Standard Extrusion Size(mm) | 20 | Extrusion Type_ | HFS (Standard) | Number of Slotted Surfaces | Three-Side Slots |
|---|---|---|---|---|---|
| Extrusion Size | 20x20 | Extrusion Series | 5 Series | Extrusion Type | Square Shape |
| Number of Extrusion Slots | 1 Slot x 1 Slot | Surface Milled | Not Provided | Material | A6005CSS-T5 |
| Extrusion Size: Width (A)(mm) | 20 | Extrusion Size: Thickness (T)(mm) | 20 |
Please check the type/dimensions/specifications of the part KHFSF5-2020-4000 in the 5 Series Aluminum Frame - Square 20x20mm, 3 Side Slots, A6N01SS-T5 Aluminum series.
| Part Number |
|---|
| KHFSFB5-2020-4000 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Surface Treatment | L Dimension Fixed, Specified | Overall Length L (Effective Length) (mm) | Overall Length L (mm) |
|---|---|---|---|---|---|---|---|---|---|
MYR 704.48 | 1 Piece(s) | Available | 10 Day(s) or more | 10 | Black Anodize Treatment | Fixed | 4000 | - |

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