The hex insert nuts are for your Hex Holes sheet applications where a drilled or tapped thread cannot be used for structural reasons.Shanghai Yuanmao FASTENER CO.,LTD provide solutions per customer application requirements in both open and closed ends. The material grade available for hex insert nuts are
The thread sizes of Hex Reduced Head Insert Nuts are available as per 0.5 to 3 mm grip range (1 GR) and 3 to 6mm grip range (2GR)
Open End
Hex Body, Reduced Head – Steel
Material :Steel
Finish :Zinc Plated clear trivalent passivated

| Hex Reduced Head Insert Nut | Metric / 6H | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hex Body, Reduced Head – Steel – Europeon | |||||||||||
| Thread Size | Grip Range | Hole Size | Body Dia | Body Length | Head Diameter | Head Height | Recommended Max Torque | Pull-out | Torque-To-Turn | Push-out | Part Number |
| (min ~ max) | A (max) | M (+/- 0.2) | B (+/- 0.3) | D (+/- 0.2) | Nm (max) | kN | Nm (min) | kN | |||
| M4 X 0.7 | 0.5 ~ 2.5 | 6.0 | 5.95 | 10.3 | 7.0 | 0.5 | 5.1 | 6.3 | 4.2 | 1.4 | M4-H-RH-S-E |
| M5 X 0.8 | 0.5 ~ 3.0 | 7.0 | 6.95 | 12.2 | 8.0 | 0.5 | 7.9 | 8.8 | 7.5 | 2.6 | M5-H-RH-S-E |
| M6 x 1.0 | 0.5 ~ 3.3 | 9.0 | 8.95 | 15.0 | 10.0 | 0.6 | 12.4 | 14.4 | 10.7 | 3.2 | M6-H-RH-S-E |
| M8 X 1.25 | 0.5 ~ 3.3 | 11.0 | 10.95 | 17.8 | 12.0 | 0.6 | 32.0 | 15.0 | 22.7 | 4.1 | M8-H-RH-S-E |
| M10 X 1.5 | 0.5 ~ 3.5 | 13.0 | 12.95 | 23.0 | 14.5 | 0.8 | 45.0 | 19.7 | 38.5 | 5.2 | M10-H-RH-S-E |
| Hex Body, Reduced Head – Long – Steel – Europeon | |||||||||||
| M4 X 0.7 | 2.0 ~ 3.0 | 6.0 | 5.95 | 12.2 | 7.0 | 0.5 | 5.1 | 6.3 | 4.2 | 1.4 | M4-H-RH-L-S-E |
| M5 X 0.8 | 3.0 ~ 4.5 | 7.0 | 6.95 | 14.8 | 8.0 | 0.5 | 7.9 | 8.8 | 7.5 | 2.6 | M5-H-RH-L-S-E |
| M6 x 1.0 | 3.0 ~ 4.5 | 9.0 | 8.95 | 17.8 | 10.0 | 0.6 | 12.4 | 14.4 | 10.7 | 3.2 | M6-H-RH-L-S-E |
| M8 X 1.25 | 3.0 ~ 4.5 | 11.0 | 10.95 | 19.0 | 12.0 | 0.6 | 32.0 | 15.0 | 22.7 | 4.1 | M8-H-RH-L-S-E |
| M10 X 1.5 | 3.0 ~ 5.0 | 13.0 | 12.95 | 25.0 | 14.5 | 0.8 | 45.0 | 19.7 | 38.5 | 5.2 | M10-H-RH-L-S-E |
Close End
Hex Body, Reduced Head – Close Type – Steel
Material :Steel
Finish :Zinc Plated clear trivalent passivated

| Hex Body, Reduced Head – Close Type – Steel – Europeon | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Grip Range | Hole Size | Body Dia | Body Length | Head Diameter | Head Height | Recommended Max Torque | Pull-out | Torque-To-Turn | Push-out | Part Number |
| (min ~ max) | A (max) | M (+/- 0.2) | B (+/- 0.3) | D (+/- 0.2) | Nm (max) | kN | Nm (min) | kN | |||
| M4 X 0.7 | 0.5 ~ 2.5 | 6.0 | 5.95 | 17.0 | 7.0 | 0.5 | 5.1 | 6.3 | 4.2 | 1.4 | M4-H-RH-CT-S-E |
| M5 X 0.8 | 0.5 ~ 3.0 | 7.0 | 6.95 | 20.0 | 8.0 | 0.5 | 7.9 | 8.8 | 7.5 | 2.6 | M5-H-RH-CT-S-E |
| M6 x 1.0 | 0.5 ~ 3.3 | 9.0 | 8.95 | 22.0 | 10 | 0.6 | 12.4 | 14.4 | 10.7 | 3.2 | M6-H-RH-CT-S-E |
| M8 X 1.25 | 0.5 ~ 3.3 | 11.0 | 10.95 | 28.0 | 12 | 0.6 | 32.0 | 15.0 | 22.7 | 4.1 | M8-H-RH-CT-S-E |
Thank you for clicking our product, and if you have any needs or requirements, please kindly contact us, we will reply ASAP.
E-mail: sales@yuanmaosh.com
Small items are packed in carton boxes, then into wooden pallets. Larger sizes are packed in wooden cases or according to customer requirements.
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