Rivet Nut, Reduced Head Semi-hexagonal Body, Open Type

The Rivet Nut, Reduced Head Semi-hexagonal Body, Open Type is a high-efficiency riveting fastener tailored for space-limited assembly scenarios. It combines the low-profile advantage of a reduced head, the reliable anti-rotation performance of a semi-hexagonal body, and the flexible through-mounting convenience of an open end, achieving compact and stable fastening.

Its semi-hexagonal body forms a firm lock with the substrate after riveting to deliver excellent torque resistance. It requires lower installation force than full-hexagonal rivet nuts, balancing stable anti-loosening performance and easy installation. The reduced head minimizes surface protrusion, making it ideal for compact structures and automated assembly lines.

Technical Parameters

▪Material Available – Carbon Steel, Stainless Steel, Aluminum.

▪Products Sizes – M3-M12 (Metric), 6#-1/2″ (Imperial). Or customize your size.

▪Custom Finish – Zinc-plated, Nickel Plated, Black Plated, Clean Bright.

Key Features

▲Reduced Head: Features low protrusion to save installation space, suitable for compact and limited-clearance assembly environments.

▲Semi-Hex Body: Delivers stable anti-rotation locking effect with lower installation resistance than full-hexagonal rivet nuts, supporting efficient automated installation.

▲Open End: Allows through-bolt mounting, avoids material accumulation and installation jams, and ensures complete thread engagement for stable fastening.

Installation Instructions

1. Install the rivet nut.

1. Install the rivet nut.

2. Insert the rivet nut into the hole.

3. Press the handle to rivet the nut in place.

4. Pull out the lever and complete the riveting.

5. To secure other component, place it on the rivet nuts.

6. Screw the bolt into the rivet nut to secure them.

7. Installation complete.

Technical Specification

RIVET NUT - Flat Head, Semi-hexagonal Body, Open Type

Item No.	Size	Pitch	s1		k	s		Bag	Carton
Item No.	Size	Pitch	max	min	k	max	min	Bag	Carton
		mm	mm	mm	mm	mm	mm	pcs	pcs
RNRSH-11251	M3 X 9	0.5	5.0	4.9	0.4	6.5	5.5	5000	20000
RNRSH-11252	M4 X 11	0.7	6.0	5.9	0.5	7.5	6.5	5000	20000
RNRSH-11253	M5 X 13	0.8	7.0	6.9	0.6	8.5	7.5	5000	20000
RNRSH-11254	M6 X 12	1.0	7.0	6.9	0.6	8.5	7.5	5000	20000
RNRSH-11255	M8 X 14	1.25	11.0	10.9	0.6	13.0	12	1000	10000
RNRSH-11256	M6 X 15.5							1000	10000
RNRSH-11257	M8 X 18							1000	10000
RNRSH-11258	M8 X 21							1000	10000
RNRSH-11259	M10X19	1.5	13.0	12.9	0.8	14.8	13.8	1000	5000
RNRSH-11260	M10 X 21							1000	5000
RNRSH-11261	M10 X 30							1000	5000
RNRSH-11262	M12 X 22							1000	10000
RNRSH-11263	M12 X 24							1000	5000

Application

Reduced Head Semi-hexagonal Open Type Rivet Nut is applied to space-limited thin metal sheet assembly scenarios. Specific applications include: Medical Equipment, Automotive Components, Household Appliances, Interior Decoration, Instrument Panels, Compact Electrical Enclosures, Rail Transit Interiors, HVAC Systems, Lightweight Mechanical Structures.

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