DC Engineering is the leading manufacturer, supplier, and stockist of Fasteners. These bolts are Commonly used for joining two or more objects together. These bolts are applicable in various industries. The chemical composition of these bolts is strong and malleable. These are made with extraordinary material and high-quality raw material.

ASME B18.31.2 Fasteners

DC Engineering is the leading manufacturer, supplier, and stockist of Fasteners. These bolts are Commonly used for joining two or more objects together. These bolts are applicable in various industries. The chemical composition of these bolts is strong and malleable. These are made with extraordinary material and high-quality raw material.


Largest Inventory


Customer Support


On Time Deliveries


ISO 9001 : 2015


ASME B18.31.2 Imperial Continous Thread, Double End Reduced and Full Body Studs :-

Nominal Size BM B
Tap End Thread Length Minimum Nut End Full Thread Length
Min Max L≤ 10 10 < L ≤ 10 L >16
1/4" 8.9 10.16 19.05 25.4 38.1
5/16" 11.18 12.64 22.23 28.58 41.28
3/8" 13.52 15.08 25.4 31.75 44.45
7/16" 15.75 17.57 28.58 34.93 47.63
1/2" 17.99 20.11 31.75 38.1 50.8
9/16" 20.38 22.75 34.93 41.28 53.98
5/8" 22.66 24.96 38.1 44.45 57.15
3/4" 27.31 29.84 44.45 50.8 63.5
7/8" 31.96 34.74 50.8 57.15 69.85
1" 36.53 39.67 57.15 63.5 76.2
1 1/8" 41.28 44.45 63.5 69.85 82.55
1 1/4" 46.05 49.22 69.85 76.2 88.9
1 3/8" 50.8 53.97 76.2 82.55 95.25
1 1/2" 55.58 58.75 82.55 88.9 101.6
1 5/8" 60.33 63.5 88.9 95.25 107.95
1 3/4" 65.1 68.27 95.25 101.6 114.3
1 7/8" 69.85 73.02 101.6 107.95 120.65
2" 74.3 78.1 107.95 114.3 127
2 1/4" 83.82 87.63 120.65 127 139.7
2 1/2" 93.35 97.15 133.35 139.7 152.4
2 3/4" 102.87 106.68 146.05 152.4 165.1
3" 112.4 116.2 - 165.1 177.8
3 1/4" 121.29 126.36 - 177.8 190.5
3 1/2" 130.81 135.89 - 190.5 203.2
3 1/4" 140.34 145.41 - 203.2 215.9
4" 149.86 154.94 - 215.9 228.6


Applications & Operations

We at DC Engineering make sure that our every product is made of high quality raw material. We thoroughly test each and every product before dispatching it to our customers. DC Engineering is one of the most trusted manufacturers and suppliers of fasteners and bolts which are applicable in various industries.

  • Gas Processing Industries
  • Petrochemical Industries
  • Power Generation Industries
  • Food Processing Industries
  • Chemical Industries
  • Oil & Gas Industries
  • Fertilizers Industries
  • Sugar Industries






Experimentation & Testing

DC Engineering is known for its accurate and perfect dimensions. We at DC engineering thoroughly test all our products before shipping them to the customers. We carry out destructive as well as non-destructive tests on all our products.

  • Impact Analysis
  • Eddy Current Examining
  • Power Generation Industries
  • Hydrostatic Analysis
  • Prompt Test
  • Positive Material Recognition
  • Large-Scale Test
  • Pitting Protection Test


Packaging & Dispatching

DC Engineering uses the most safest and the most effective ways of packaging for all types of deliveries. We pack our goods in various ways such as:

  • Wooden Boxes
  • Wooden Crates
  • Wooden Pallets
  • Carton Boxes
  • Shrink-Wrapped
  • Bubble Wrap Packing Material
  • Laminated & Metallized Films
  • Wooden or Plastic Crates




Cities We Export

Srinagar, Tamil Nadu, West Bengal, Vijayawada, Maharashtra, Rajkot, Karnataka, Akola, Amravati, Kanpur, Aurangabad, Andhra Pradesh, Saharanpur, Vasai, Varanasi, Faridabad, Bhadreswar, Jhansi, Nashik, Solapur, Surat, Nagpur, Raipur, Haryana, Buxar, Bhavnagar, Pune, Punjab, Banswara, Uttar Pradesh, Tadepalligudem, Manipur,Delhi, Dhanbad, Guntur, Gujarat, Ludhiana, Kalyani, Nagapattinam, Benin, Vadodara, Kerala, Patna, Ulhasnagar, Chhattisgarh, Mizoram, Chennai, Kurnool, Datia, Mangalore, Ambala, Kota, Miryalaguda, Orissa, Mumbai, Nagda, Bikaner, Ballia, Allahabad, Suryapet, Jaipur, Haora, Durgapur, Udgir, Jodhpur, Amritsar, Kalyan, Bangalore, Puducherry, Agra, Kolkata, Tirunelveli, Gujarat, India, Lucknow, Meerut, Dehradun, Bihar, Ujjain, Jharkhand, Ahmedabad, Coimbatore, Sadar, Jamnagar, Hyderabad, Chandigarh, Ranchi, Jamalpur, Ambattur, Jabalpur, Waghala, Nagaur, Gulbarga

Countries We Export

Iran, Ecuador, Mexico, Afghanistan, Bulgaria, Denmark, Kenya, Singapore, Portugal, Venezuela, Sri Lanka, Chile, Gabon, Colombia, Belgium, Peru, Belarus, Yemen, Thailand,France, Italy, Mexico, Greece, Kuwait, Romania, Iraq, Netherlands, Sweden, Switzerland, Lithuania, Lebanon, Poland, Philippines, United Kingdom, Norway, Angola, Kazakhstan, Taiwan, Nigeria, Poland, China, Nigeria, Spain, Mongolia, New Zealand, United States, Hungary, Libya, Serbia, Ukraine, Finland, South Africa, Iran, Vietnam, Israel, Czech Republic, Slovakia, Hong Kong, Azerbaijan, Qatar, Japan, Oman, Malaysia, Pakistan, Algeria, Bangladesh, Jordan, Indonesia, Russia, United Arab Emirates, Brazil, Estonia, Turkey, Austria, Croatia, Ghana, Bahrain, Korea, Canada, Bolivia, Costa Rica, Trinidad & Tobago, Tunisia, Chile, Morocco, Bhutan, Argentina, Egypt