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Carriage Bolt Half Thread DIN603 Stainless Steel 304 316
Carriage Bolt Half Thread DIN603 Stainless Steel 304 316
Carriage Bolt Half Thread DIN603 Stainless Steel is a popular hardware item in the construction industry. These bolts are made of high-quality stainless steel, ensuring durability and corrosion resistance. They are commonly used to fasten wood and metal materials together, making them ideal for structural and decorative applications. The half-thread design allows for easy installation and provides a secure hold.
Description
About Carriage Bolts DIN603
Carriage Bolt Half Thread DIN603 Stainless Steel for High-Strength Applications
Carriage bolts, also known as coach bolts, are a popular fastener choice for applications where high strength and durability are required. Among carriage bolts, the DIN603 standard is widely used in Europe and Asia. DIN603 specifies carriage bolts with a square neck and a mushroom head, designed for use with nuts and washers in structural applications.
One variation of carriage bolts is the half thread design, where only a portion of the shank has threads, leaving the remaining section smooth. This type of carriage bolt is often used in applications where a secure grip is required, but a flush or smooth finish is desired. Examples include furniture assembly, fence construction, and marine applications.
Stainless steel is a popular material choice for carriage bolts due to its high corrosion resistance. Stainless steel is also preferred for applications where hygiene is a concern, such as in the food and medical industries. DIN603 carriage bolts are commonly available in grade A2 and A4 stainless steels, with A4 providing additional resistance to pitting and crevice corrosion.
When selecting a carriage bolt, it is important to consider the application’s strength requirements, dimensional tolerances, and environmental factors. Other factors to consider include the availability of compatible nuts, washers, and installation tools.
In summary, Carriage Bolt Half Thread DIN603 Stainless Steel is a reliable and versatile fastener option for high-strength applications. With its square neck and mushroom head, it provides a secure grip and a flush finish, making it a popular choice for furniture assembly, fence construction, and marine applications. The stainless steel material offers superior corrosion resistance and hygiene properties, making it suitable for use in food and medical industries. When selecting a carriage bolt, it is important to consider the application’s specific requirements and the availability of compatible hardware and tools.
Carriage Bolt DIN603 Dimensions
DIN 603 – Mushroom head square neck bolts
Current norm: DIN 603
Equivalent norms: ISO 8677; CSN 021319; PN 82406; UNI 5731
Table according to DIN 603:
dimensions in mm
| Thread d | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |
| P | 0,8 | 1 | 1,25 | 1,5 | 1,75 | 2 | 2,5 | |
| b | l < 125mm | 16 | 18 | 22 | 26 | 30 | 38 | 46 |
| 125 < l < 200mm | 22 | 24 | 28 | 32 | 36 | 44 | 52 | |
| l > 200mm | – | – | 41 | 45 | 49 | 57 | 65 | |
| dk | max. | 13,55 | 16,55 | 20,65 | 24,65 | 30,65 | 38,8 | 46,8 |
| min. | 12,45 | 15,45 | 19,35 | 23,35 | 29,35 | 37,2 | 45,2 | |
| ds | max. | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
| min. | 4,52 | 5,52 | 7,42 | 9,42 | 11,3 | 15,3 | 19,16 | |
| f | max. | 4,1 | 4,6 | 5,6 | 6,6 | 8,75 | 12,9 | 15,9 |
| min. | 2,9 | 3,4 | 4,4 | 5,4 | 7,25 | 11,1 | 14,1 | |
| k | max. | 3,3 | 3,88 | 4,88 | 5,38 | 6,95 | 8,95 | 11,05 |
| min. | 2,7 | 3,12 | 4,12 | 4,62 | 6,05 | 8,05 | 9,95 | |
| r1 | approx. | 10,7 | 12,6 | 16 | 19,2 | 24,1 | 29,3 | 33,9 |
| r2 | max. | 0,5 | 0,5 | 0,5 | 0,5 | 1 | 1 | 1 |
| r3 | max. | 0,75 | 0,9 | 1,2 | 1,5 | 1,8 | 2,4 | 3 |
| v | max. | 5,48 | 6,48 | 8,58 | 10,58 | 12,7 | 16,7 | 20,84 |
| min. | 4,52 | 5,52 | 7,42 | 9,42 | 11,3 | 15,3 | 19,16 | |
Tab 2.
| l | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |||||||||
| nominal size | min. | max. | ls min. | lg max. | ls min. | lg max. | ls min. | lg max. | ls min. | lg max. | ls min. | lg max. | ls min. | lg max. | ls min. | lg max. |
| 16 | 15,1 | 16,9 | – | 8 | – | 10 | ||||||||||
| 20 | 18,95 | 21,05 | – | 8 | – | 10 | – | 12 | – | 14 | ||||||
| 25 | 23,95 | 26,05 | – | 8 | – | 10 | – | 12 | – | 14 | ||||||
| 30 | 28,95 | 31,05 | – | 18 | – | 10 | – | 12 | – | 14 | – | 18 | ||||
| 35 | 33,75 | 36,25 | 15 | 19 | 12 | 17 | – | 12 | – | 14 | – | 18 | ||||
| 40 | 38,75 | 41,25 | 20 | 24 | 17 | 22 | 11,75 | 18 | – | 14 | – | 18 | ||||
| 45 | 43,75 | 46,25 | 25 | 29 | 22 | 27 | 16,75 | 23 | 11,5 | 19 | – | 18 | ||||
| 50 | 48,75 | 51,25 | 30 | 34 | 27 | 32 | 21,75 | 28 | 16,5 | 24 | – | 18 | ||||
| 55 | 53,5 | 56,5 | 35 | 39 | 32 | 37 | 26,75 | 33 | 21,5 | 29 | 16,25 | 25 | – | 23 | ||
| 60 | 58,5 | 61,5 | 40 | 44 | 37 | 42 | 31,75 | 38 | 26,5 | 34 | 21,25 | 30 | – | 23 | ||
| 65 | 63,5 | 66,5 | 45 | 49 | 42 | 47 | 36,75 | 43 | 31,5 | 39 | 26,75 | 35 | 17 | 27 | ||
| 70 | 68,5 | 71,5 | 50 | 54 | 47 | 52 | 41,75 | 48 | 36,5 | 44 | 31,25 | 40 | 22 | 32 | – | 28,5 |
| 80 | 78,5 | 81,5 | 60 | 64 | 57 | 62 | 51,75 | 58 | 46,5 | 54 | 41,25 | 50 | 32 | 42 | 21,5 | 34 |
| 90 | 88,25 | 91,75 | 67 | 72 | 61,75 | 68 | 56,5 | 64 | 51,25 | 60 | 42 | 52 | 31,5 | 44 | ||
| 100 | 98,25 | 101,75 | 77 | 82 | 71,75 | 78 | 66,5 | 74 | 61,25 | 70 | 52 | 62 | 41,5 | 54 | ||
| 110 | 108,25 | 111,75 | 87 | 92 | 81,75 | 88 | 76,5 | 84 | 71,25 | 80 | 62 | 72 | 51,5 | 64 | ||
| 120 | 118,25 | 121,75 | 97 | 102 | 91,75 | 98 | 86,5 | 94 | 81,25 | 90 | 72 | 82 | 61,5 | 74 | ||
| 130 | 128 | 132 | 101 | 106 | 95,75 | 102 | 90,5 | 98 | 85,25 | 94 | 76 | 86 | 65,5 | 78 | ||
| 140 | 138 | 142 | 111 | 116 | 105,75 | 112 | 108,5 | 108 | 95,25 | 104 | 86 | 96 | 75,5 | 8 | ||
| 150 | 148 | 152 | 121 | 126 | 115,75 | 122 | 110,5 | 118 | 105,25 | 114 | 96 | 106 | 85,5 | 98 | ||
| 160 | 156 | 164 | 120,5 | 128 | 115,25 | 124 | 106 | 116 | 95,5 | 108 | ||||||
| 180 | 176 | 184 | 140,5 | 148 | 135,25 | 144 | 126 | 136 | 115,5 | 128 | ||||||
| 200 | 195,4 | 204,6 | 160,5 | 168 | 155,25 | 164 | 146 | 156 | 135,5 | 148 | ||||||
Common Fastener Materials
Fasteners are fabricated from a variety of materials. These options include metals and polymers. Stainless steel offers strength and corrosion resistance. While polymer options have less strength than stainless, they are a good choice for resisting chemicals. The most common materials are:
- Stainless steel
- Alloy steel
- Low carbon steel
- Medium carbon steel
- Titanium
- Polymers, such as nylon
Finish Options
The use of heat treatments and application of various finishes, also known as “plating,” affects the look and performance of fasteners. Finishes provide material stability and protect the fasteners from corrosion and rust. Below are some common heat treatment and finish benefits:
- Zinc coating – Most common, low cost, resists corrosion and rust
- Galvanized – Superior corrosion protection, anti-seize, higher upfront investment
- Stainless – Great for humid environments, strong, ideal for electrical or mechanical uses
- Black – Adds color, provides better grip, deflects light
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1. Products are designed and manufactured in strict accordance with standards. We produce non-standard products according to the drawings provided by customers.
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FAQ
Q: Do bolts have different threads?
A:Bolts with coarse threads have a larger pitch (fewer threads per axial distance) compared to fine threads. A coarse threaded bolt is specified for most applications unless there is an overriding reason to use a fine threaded bolt (e.g. thorough thread adjustment is crucial for the application).
Q: What is difference between screw & bolt?
A: A bolt is meant to be used with a nut, and it is tightened by torquing the nut. A screw is designed to be used in either a preformed or threaded hole, or it is capable of forming its own threaded hole. A screw is designed to be tightened by torquing the head.
Q: Are bolts stronger than screws?
A: Yes, bolts provide greater holding strength than screws. This is partly due to the presence of the washer, which spreads out the load over a larger surface area. Because bolts offer increased strength, they work well for heavy-duty, load-bearing applications.
Q: Does every bolt need a nut?
A: Sometimes two bolts are used to prevent a beam from swiveling. Tap Bolt: This kind of bolt is completely threaded. It is used in a threaded or tapped hole and does not need a nut. A bolt is a type of fastener that often needs a nut that is tightened on the end and helps fasten several materials together.
Q: Why use screws instead of bolts?
A: Uses Screws and bolts are both used to fasten objects together, but bolts are for more heavy-duty projects. While bolts are the better choice for construction, building, or anchoring items, screws are best for home repairs, hanging objects, and DIY builds.
Q: What is the weakest part of a bolt?
A: The weakest part of any fastener is the deepest region of its threads (the root), and although the thread diameters in each case are the same the cold formed root diameter of a rolled thread may increase in strength.
Q: Are stainless steel bolts weaker than steel?
A: In fact, due to their low carbon content, many stainless steel alloys cannot be hardened through heat treatment. Therefore, when compared to regular steel, the stainless alloys used in bolts are slightly stronger than an un-hardened (grade 2) steel but significantly weaker than hardened steel fasteners.
Q: Can bolts be too long?
A: If the bolt is too long, its point may come into contact with the anchor’s expansion cone before the head of the bolt reaches the material to be fastened.
Q: Why are bolts so strong?
A: When a bolt is tightened the shank sustains a direct stress, due to the elongation strain, together with a torsional stress, due to the torque acting on the threads.
Q: Why are bolts better than rivets?
A: Bolts have largely replaced rivets due to their lower installation cost, ease of installation and maintenance. The two types of bolts commonly used in steel construction include high strength structural steel, and A307 bolts (common bolts).
Q: Do bolts weaken over time?
A: Nuts and bolts can loosen over time even if they are only subjected to translatory forces due to several factors: Vibration: Translatory forces can result in vibration in mechanical systems, especially in equipment or machinery that operates at high speeds or experiences frequent changes in direction or load.
Q: Do bolts need threaded holes?
A: Because metal is a stronger material, the screws thread cannot cut into it, so they must be inserted into a tapped or threaded hole. They both give extra grip to ensure that the screw stays in place. Both processes are used for a bolt, screw, or nut.
Q: Do bolts need washers?
A: Washers are used to distribute the load of a threaded fastener, such as a bolt or nut. Before a screw or bolt is driven into a surface, a washer may be placed in order to prevent looseness and provide protection. This also prevents the bolt head and nut from damaging the surfaces of the two fastened parts.
Q: Why does bolt have rubber?
A: Rubber spacers for bolts are especially useful for securing fasteners in high-vibration applications because the rubber will absorb the vibration to keep the fastener from loosening unexpectedly.
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