| Dia. |
d1 |
d2 |
h1 |
h2 |
h3 |
d3 |
d4 |
| Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
| M12 |
12.75 |
12.85 |
26.0 |
32.5 |
2.50 |
5.50 |
0.80 |
20 |
13.85 |
| M16 |
16.75 |
16.85 |
35.0 |
36.8 |
3.00 |
6.00 |
0.80 |
25 |
17.85 |
| M20 |
20.95 |
21.05 |
41.0 |
46.0 |
3.50 |
6.50 |
0.80 |
29 |
22.05 |
| M22 |
23.05 |
23.15 |
46.5 |
50.6 |
4.00 |
7.00 |
0.80 |
33 |
24.15 |
| M24 |
25.15 |
25.25 |
50.0 |
55.2 |
4.00 |
7.00 |
0.80 |
38 |
26.25 |
| M27 |
28.30 |
28.40 |
54.0 |
62.1 |
4.00 |
7.00 |
0.80 |
43 |
29.40 |
| M30 |
31.45 |
31.55 |
59.0 |
69.0 |
4.00 |
7.00 |
0.80 |
46.5 |
32.55 |
| M36 |
37.75 |
37.85 |
78.0 |
83.0 |
4.00 |
7.50 |
0.80 |
56 |
38.85 |
| Proof Load |
Size Range |
Equivalent Standards |
| Property Class |
Diameter |
Length |
| PSI |
N/mm2 |
Grade |
Metric |
Inch |
Metric |
Inch |
IS |
ISO |
DIN |
BS |
ANSI |
JIS |
| 74000 to 174000 |
510 to 1200 |
4 to 12 |
M12 to M36 |
0.5“ to 1.4" |
- |
- |
15581 |
4161 |
6923 |
- |
B18.2.2 |
B1190 |
Introduction to Direct Tension Indicator Washers
Direct Tension Indicator (DTI) washers are specialized components designed to
provide an accurate measurement of the clamping force or tension in a bolt. These washers feature a
series of raised indicators that flatten when the correct tension is achieved, allowing for a visual and
straightforward method to confirm proper bolt tensioning. DTIs are critical in applications where precise
bolt tension is essential for structural integrity, safety, and performance. At Pankaj International, a
leading fastener manufacturer in Ludhiana, we produce high-quality DTI washers that meet stringent
industry standards, ensuring reliability and accuracy in various applications.
Manufacturing Excellence at Pankaj International
As one of the best fastener manufacturers in India, Pankaj International
employs advanced manufacturing techniques to produce Direct Tension Indicator washers with precision and
durability. Our state-of-the-art facilities in Ludhiana are equipped with the latest technology, ensuring that
every DTI washer we produce meets rigorous quality standards. Whether you need high tensile bolts,
nuts, or specialized fasteners like DTI washers, our products are designed to deliver exceptional
performance and reliability.
Features and Benefits of Direct Tension Indicator Washers
Direct Tension Indicator washers offer several distinct advantages that make them
essential for precise bolting applications:-
- Accurate Tension Measurement: The raised indicators on the washer
compress and flatten when the correct tension is applied, providing a clear and accurate indication of
proper clamping force.
- Enhanced Safety: By ensuring that bolts are tightened to the correct
tension, DTI washers help prevent over-tightening or under-tightening, which can lead to structural failures
or safety hazards.
- Visual Confirmation: The visual nature of DTI washers allows for quick
and easy verification of bolt tension, streamlining the inspection and quality control process.
- High Strength: Made from high-grade materials, our DTI washers are
designed to withstand significant loads and stresses, ensuring reliable performance in demanding
applications.
- Corrosion Resistance: Available in various finishes, including stainless
steel, our DTI washers offer excellent resistance to corrosion, ensuring long-lasting performance in harsh
environments.
At Pankaj International, we ensure that our Direct Tension Indicator washers deliver
these benefits, providing our clients with reliable components for their specific bolting needs.
Applications of Direct Tension Indicator Washers
Direct Tension Indicator washers are critical in various industries where precise
bolting is essential for structural integrity and safety. Common applications include:-
- Construction: Used in building structures, bridges, and infrastructure
projects to ensure that bolts are tightened to the correct tension, enhancing the stability and safety of
the structure.
- Automotive Industry: Employed in vehicle assemblies and engine
components where precise bolt tension is crucial for performance and safety.
- Industrial Machinery: Used in machinery and equipment to ensure that
critical components are securely fastened and operate reliably under load.
- Oil and Gas: Utilized in pipeline and equipment installations where
proper bolting tension is essential for safety and operational efficiency.
By choosing Pankaj International as your fastener manufacturer, you gain access to a
comprehensive range of high-quality fasteners, including specialized Direct Tension Indicator washers, tailored
for these demanding applications.
Why Choose Pankaj International for Your Direct Tension Indicator Washers?
Pankaj International stands out as a premier fasteners company in India due
to our unwavering commitment to quality and customer satisfaction. Our extensive experience in bolt
manufacturing, combined with our innovative production techniques, positions us as a leader in the
fastener industry. We understand the critical role that fasteners play in your projects, which is why we
strive to deliver products that exceed expectations.
Whether you need Direct Tension Indicator washers, high tensile bolts, or any
other type of fastener, Pankaj International offers a comprehensive range of solutions designed to meet your
specific requirements. Contact us today to learn more about our products and how we can assist you with your
fastener needs