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Inexpensive post-assembly insertion nut that can be used without a stopper. It can be installed from the groove after assembly.
Part Number
Configured Part Number is shown.
Single item sales Nuts | Sold in packs Nuts | |
| HNTF8(equivalent to S10C) HNTFV8(anti-loosening adhesive type, equivalent to S10C) HNTFZ8(anti-loosening resin coating type, equivalent to S10C) HNTFSN8(equivalent to SUS316, sintered) | PACK-HNTF8(Pack of 100) PACK-HNTFV8(Pack of 100) PACK-HNTFZ8(Pack of 100) PACK-HNTFSN8(Pack of 100) |
| Reference tightening torque (N・m) of Nuts | ![]() | ||
| M | Equivalent to S10C/Equivalent to SUS316 (sintered) | ||
| 8 | 23.5 | ||
| Type | Type | [M] Material | [S] Surface Treatment |
| ① | HNTF8 | Equivalent to S10C | Trivalent Chromate |
| PACK-HNTF8 | |||
| ② | HNTFV8 | ||
| PACK-HNTFV8 | |||
| ③ | HNTFZ8 | ||
| PACK-HNTFZ8 | |||
| ④ | HNTFSN8* | SUS316 equivalent (sintered) | − |
| PACK-HNTFSN8* |
| Model Nuts | − | M |
| HNTF8 | − | 8 |
| PACK-HNTF8 | − | 8 |
| Model Nuts | M | E | T | |||
| Type | ||||||
| HNTF8(equivalent to S10C) | 4 | 5 | 6 | 8 | 6.0 | 9.0 |
| HNTFV8(loosening prevention, equivalent to S10C) | 8 | |||||
| HNTFZ8(loosening prevention, equivalent to S10C) | ||||||
| HNTFSN8(equivalent to SUS316, sintered) | 4 | 5 | 6 | 8 | 6.4 | 8.9 |
| Model Nuts | M (medium) | |||
| PACK-HNTF8 | 4 | 5 | 6 | 8 |
| PACK-HNTFV8 | 8 | |||
| PACK-HNTFZ8 | ||||
| PACK-HNTFSN8 | 4 | 5 | 6 | 8 |
■ Anti-loosening type of Nuts

■Effects of anti-loosening agents (reference values) of Nuts
| Features of Nuts | Release torque after tightening (1st time) | Supplementary information | |||
|---|---|---|---|---|---|
| No anti-fouling agent applied | - | 5.2N・m | - | ||
| Anti-loosening adhesive type | ・Effectively prevents loosening ・However, once loosened, the effect is lost ・After tightening, the adhesive needs time to harden (approximately 72 hours at room temperature 25℃) | 7.6N・m | Test conditions: Tightened to 6.8 Nm, dried at room temperature (25°C) for 72 hours, then loosened the bolts. Measured with HNTTV5-5 | ||
| Anti-loosening resin coated type | - The anti-loosening effect can be used repeatedly (the anti-loosening effect will decrease with repeated use) - The anti-loosening effect is immediate after fastening | 6.5N・m | ・The loosening prevention effect decreases with repeated use. ・5th return torque: 6.2N・m (measured with HNTTZ5-5) | ||
* The torque value is a reference value. The value may vary depending on the clearance between the bolt and Nuts.
■ What is conductive function?
This product is a post-insertion Nuts. It can be installed from the groove after assembly.

| Reference tightening torque (N・m) | |||
|---|---|---|---|
| M | Equivalent to S10C/Equivalent to SUS316 (sintered) | ||
| 8 | 23.5 | ||
■8 series (groove width 10mm) of Nuts
| Groove Width | Frame angle | Depth h | Compatible Nut | Thickness b (mm) of the panel/bracket to be attached to the frame | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.8 | 1 | 1.2 | 1.5 | 2 | 3 | 4 | 4.5 | 5 | 6 | 8.2 | 9 | 10 | 12 | 14 | ||||
| 10 | 40 | 12.5 | 8-4 | M4-12 | M4-15 | M4-20 | - | M4-25 | ||||||||||
| 8-5 | M5-12 | M5-15 | M5-20 | M5-22 | M5-25 | |||||||||||||
| 8-6 | M6-12 | M6-15 | M6-20 | M6-25 | ||||||||||||||
| 8-8 | - | M8-15 | M8-20 | M8-25 | ||||||||||||||
■8-45 series (groove width 10mm) of Nuts
| Groove Width | Frame angle | Depth h | Compatible Nut | Thickness b (mm) of the panel/bracket to be attached to the frame | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.8 | 1 | 1.2 | 1.5 | 2 | 3 | 4 | 4.5 | 5 | 6 | 8.2 | 9 | 10 | 12 | 14 | ||||
| 10 | 45 | 13 | 8-4 | M4-12 | M4-15 | M4-20 | - | M4-25 | ||||||||||
| 8-5 | M5-12 | M5-15 | M5-20 | M5-22 | M5-25 | |||||||||||||
| 8-6 | M6-12 | M6-15 | M6-20 | M6-25 | ||||||||||||||
| 8-8 | - | M8-15 | M8-20 | M8-25 | ||||||||||||||
■ Compatible series of Nuts
This product is compatible with Misumi 8 series (slot width 10mm ) and Misumi 8-45 series (slot width 10mm) aluminum frames.


■ Difference between first-in and last-in of Nuts
・MISUMI aluminum frame Nuts are available in a variety of types, including first-in and last-in. Use them according to your needs.
First-in: Install from the groove end face before assembly. They are wide and have little play inside the groove, making bolt tightening easy.

Post-insertion: Can be installed through the groove after assembly.

To remove the Nuts, hook the hex wrench into the hole in the nut and turn it at right angles to the groove.
| Product name | Aluminum frame | bracket | Blind Joint | Frame cap | Groove cover | |
|---|---|---|---|---|---|---|
| photograph | ![]() | ![]() | ![]() | ![]() | ![]() | |
| 8 Series | Product page | Here | Here | Here | Here | Here |
| 8-45 Series | Product page | Here | Here | Here | Here | Here |
CAD Data download and 3D preview are not available because the part number has not yet been determined.
| Part Number |
|---|
| HNTF8-4 |
| HNTF8-5 |
| HNTF8-6 |
| HNTF8-8 |
| HNTFSN8-4 |
| HNTFSN8-5 |
| HNTFSN8-6 |
| HNTFSN8-8 |
| HNTFV8-8 |
| HNTFZ8-8 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Properties / applications | Nominal of Thread M (mm) | Function | Lock | Material Details | Material | Surface Treatment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 2.53 | 1 Piece(s) | Available | 2 Day(s) | 10 | Not Applicable | M4 | Short Nuts | Not Provided | S10C Equivalent | S10C Equivalent | Trivalent Chromate | |
MYR 2.53 | 1 Piece(s) | Available | 1 Day(s) | 10 | Not Applicable | M5 | Short Nuts | Not Provided | S10C Equivalent | S10C Equivalent | Trivalent Chromate | |
MYR 2.53 | 1 Piece(s) | Available | 2 Day(s) | 10 | Not Applicable | M6 | Short Nuts | Not Provided | S10C Equivalent | S10C Equivalent | Trivalent Chromate | |
MYR 2.53 | 1 Piece(s) | Available | 2 Day(s) | 10 | Not Applicable | M8 | Short Nuts | Not Provided | S10C Equivalent | S10C Equivalent | Trivalent Chromate | |
MYR 2.53 | 1 Piece(s) | Available | 1 Day(s) | 10 | Corrosion resistance / chemical resistance / Conductive / Antistatic / Non-Magnetic | M4 | Conductive | Not Provided | SUS316 Equiv. | SUS316 Equivalent | None | |
MYR 2.53 | 1 Piece(s) | Available | 2 Day(s) | 10 | Corrosion resistance / chemical resistance / Conductive / Antistatic / Non-Magnetic | M5 | Conductive | Not Provided | SUS316 Equiv. | SUS316 Equivalent | None | |
MYR 2.53 | 1 Piece(s) | Available | 2 Day(s) | 10 | Corrosion resistance / chemical resistance / Conductive / Antistatic / Non-Magnetic | M6 | Conductive | Not Provided | SUS316 Equiv. | SUS316 Equivalent | None | |
MYR 2.53 | 1 Piece(s) | Available | 1 Day(s) | 10 | Corrosion resistance / chemical resistance / Conductive / Antistatic / Non-Magnetic | M8 | Conductive | Not Provided | SUS316 Equiv. | SUS316 Equivalent | None | |
MYR 2.42 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | Not Applicable | M8 | Short Nuts | Provided | S10C Equivalent | S10C Equivalent | Trivalent Chromate | |
MYR 2.42 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | Not Applicable | M8 | Short Nuts | Provided | S10C Equivalent | S10C Equivalent | Trivalent Chromate |
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| Nut Type | Post-Assembly Insertion Nuts | Environmentally Friendly | RoHS compliant (10 substances) | Series | MISUMI 8 Series / MISUMI 8-45 Series |
|---|---|---|---|---|---|
| Type | HFS | Sale Type | Sold Separately |



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