7.8mm large head Structure Multigrip Hemfirm Rivet

What is hemlock Blind Rivets?

Hemlock rivet, also known as hemfirm hemlock rivet or hem hock blind rivet.

Hemlock rivet refers to a type of fastener used in various industries, including aviation and manufacturing. It is a solid cylindrical pin with a preformed head on one end and a tapered shaft on the other. The head is larger in diameter and acts as a stopper to hold the rivet in place once it is inserted into a hole. Hemlock rivets are commonly made of strong and durable materials like steel or aluminum. They are typically used to join or fasten together two or more materials, such as metal sheets or structural components, by deforming the rivet's shaft and creating a permanent connection. Hemlock rivets are widely utilized for their reliability and strength in ensuring secure and long-lasting structural integrity.

 

Diameter size: 

4.8mm, 6.4mm, 7.8mm

Material (Body/Mandrel)

Aluminum/ Aluminum

Steel/ Steel

Stainless steel/ Stainless steel

Head Style

Dome Head Rivets

 

 

 

 Advantage of Hemfirm rivet

• High strength: Hemlock rivets provide excellent structural integrity and can withstand heavy loads.
• Corrosion resistance: They are often made from corrosion-resistant materials, making them suitable for outdoor or harsh environments.
• Easy installation: Hemlock rivets can be quickly and easily installed using basic tools, reducing assembly time.
• Vibration resistance: These rivets offer good resistance to vibration, ensuring a secure and durable connection.
• Versatility: Hemlock rivets can be used in different applications, such as automotive, aerospace, and construction, due to their versatility.
• Cost-effective: Hemlock rivets are affordable and provide a reliable joining solution, making them a cost-effective choice.
• Aesthetic appeal: Hemlock rivets can be visually appealing and add a decorative touch to projects, contributing to their popularity in certain industries.

How Does Hemlock rivet Work? 

1. Align the materials to be joined.
2. Insert the rivet into pre-drilled holes in the materials.
3. Place the rivet head against an anvil or solid surface.
4. Using a rivet setter or a rivet gun, apply pressure to the shank of the rivet.
5. As the pressure increases, the rivet body deforms and expands against the materials.
6. Continue applying pressure until the rivet head is firmly seated against the materials.
7. Trim the excess shank if necessary.
8. The Hemlock rivet is now securely installed.

ST/ST Dome Head Hem Lock Blind Rivets

RIVET DIAMETER /mm	RIVET LENGTH /mm	GRIP RANGE /mm	HEAD DIAMETER /mm	HEAD HEIGHT /mm	MANDREL DIAMETER /mm	MANDREL LENGTH /mm	HOLE SIZE /mm	SHEAR /N	TENSILE /N
D1	L		D2	k	d	p	DRILL
	+1/-0		MAX.	MAX.	MAX.	MIN.		MIN.	MIN.
4.8 +0.08 -0.15	9.0	1.5-3.5	10.2	2.5	3.10	27.00	4.9-5.1	4500 N	3500 N
	11.5	3.5-6.0						6000 N	3500 N
	14.0	6.0-8.5						6200 N	3500 N
	16.5	8.5-11.0						6200 N	3500 N
	19.0	11.0-13.5						6200 N	3500 N
6.4 +0.08 -0.15	9.0	1.5-3.5	13.4	3.5	4.20	28.00	6.6-6.9	6800 N	6400 N
	10.5	2.8-4.8						9200 N	6400 N
	12.5	4.8-6.8						10000 N	6400 N
	14.5	6.8-8.8						10000 N	6400 N
	16.5	8.8-10.8						11000 N	6400 N
	18.5	10.8-12.8						11000 N	6400 N
	20.5	12.8-14.8						11000 N	6400 N
	22.5	14.5-16.8						11000 N	6400 N
	24.5	16.8-18.8						11000 N	6400 N
	26.5	18.8-20.8						11000 N	6400 N
	28.5	20.8-22.8						11000 N	6400 N
	30.5	22.8-24.8						11000 N	6400 N
	32.5	24.8-26.8						11000 N	6400 N
7.8 +0.08 -0.15	13.5	4.0-7.0	18.0	4.2	5.20	28.00	8.1-8.3	13500 N	9100 N
	16.5	7.0-10.0						16000 N	9100 N
	19.5	9.0-13.0						16000 N	9100 N
	22.5	13.0-16.0						16000 N	9100 N

Production Process

Step 1

Blind rivet machine---making the rivet body

Step 2

Nail making machine---making the mandrel

Step 3

Assembly machine--finish the assembly of rivet body and the mandrel

Package

Regular package is small box+ carton+ pallet, or bulk in carton, each carton weights 20-25kgs. 

Borie Fasteners can also provide custom packaging service, such as poly bag or plastic bag with client's logo and information. 

Application

Blind rivets can be used just about anywhere if they are properly installed. Most of them are used in

1. Automotive manufacturing
2. Aerospace industry
3. Construction and structural engineering
4. Furniture assembly
5. Electrical and electronics industry
6. Shipbuilding and marine applications
7. Metal fabrication
8. Signage and display production
9. HVAC systems installation
10. Mechanical engineering projects