We, at Amco Metals, develop and nourish excellence and change and direct them to our products through endless efforts and quality control. We service our customers a premium quality product profile, helping them to take a proper one for their business. We are an ISO 9001: 2008 certified company, devoted to producing and maintaining client oriented actions.

We are a manufacturer, trader, stockist, supplier, and exporter of ASTM A320 L7/L7M & A194 7M/7 Fasteners that can be mechanically fastened or clamped, either permanently or temporarily. They are quick to fit and remove too.

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ASTM A194 L7/L7M Eye Bolt

ASTM A194 L7/L7M Eye Bolt

ASTM A194 L7/L7M Eye Bolt

ASTM A194 U Bolt

ASTM A194 U Bolt

ASTM A194 U Bolt

ASTM A194 7M Heavy Hex Bolt

ASTM A194 7M Heavy Hex Bolt

ASTM A194 7M Heavy Hex Bolt

We offer ASTM A320 L7/L7M Stud Bolts which are recommended to use in low-temperature services, with gr. LM7 being used for corrosive environments too. Whereas ASTM A194 L7/L7M Nuts are suitable for both high and low-temperature services, where L7M is also used for corrosive applications.

We have a check on market courses and interests, to produce new, sustainable and cost-effective products capable of undergoing customization. We have built a decent portfolio of solid products over the span of 25 years.

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ASTM A320 Gr L7 Price

ASTM A193 Grade B7 Fasteners
astm a193 grade B7 stud bolt
US $0.001-6 / Piece
ASTM A193 Grade B7 Plow Bolt
US $30.60 / pkg. of 25
ASTM A193 grade B7 threaded Rod, B7 stud bolt
US $0.01-3 / Piece
ASTM A193 Grade B7 Structural Bolt
US $13.30 / pkg. of 25 / Kilogram
Astm a193 grade B7 wheel stud bolt
US $0.1-3 / Piece
ASTM A193 grade B7 threaded rod with 2h nut
US $0.01-1 / Piece

ASTM A193 Grade B7 Flat Washer

US $0.06–$5.90
Stud bolt DIN 975 grade ASTM A193 B7
US $0.6-1.2 / Piece

ASTM A193 Gr B7 Stud Bolt

Stud Bolts ASTM A193 B7

ASTM A193 Grade B7 Material

ASTM A193 Grade B7 Bolt Strength

ASTM A193 Grade B7 U bolts
US $3.69–$7.20

ASTM A320 Grade L7 Fasteners Specification

Specifications : IS, BS, ASTM

Standard : ASTM / ASME - A/ SB 194

Size : 3 mm to 200 mm

Length :M02 to M30

Type : Bolts, nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, etc.


A320 Mechanical Properties

Grade Diameter Tensile, ksi, min Yield, ksi, min Charpy Impact 20-ft-lbf @ temp Elong, %, min RA, %, min
L7 Up to 212 125 105 -150° F 16 50
L43 Up to 4 125 105 -150° F 16 50
Class 1: B8, B8C, B8M, B8P, B8F, B8T, B8LN, B8MLN All 75 30 N/A 30 50
Class 1A: B8A, B8CA, B8MA, B8PA, B8FA, B8TA, B8LNA, B8MLNA All 75 30 N/A 30 50
Class 2: B8, B8C, B8P, B8F, B8T Up to 34 125 100 N/A 12 35
78 - 1 115 80 N/A 15 35
118 - 114 105 65 N/A 20 35
138 - 112 100 50 N/A 28 45
Class 2: B8M Up to 34 110 95 N/A 15 45
78 - 1 100 80 N/A 20 45
118 - 114 95 65 N/A 25 45
138 - 112 90 50 N/A 30 45

A320 Chemical Properties

Element L7 (AISI 4140) L43 (AISI 4340) B8 (AISI 304) B8M (AISI 316)
Carbon 0.38 - 0.48% 0.38 - 0.43% 0.08% max 0.08% max
Manganese 0.75 - 1.00% 0.75 - 1.00% 2.00% max 2.00% max
Phosphorus, max 0.035% 0.035% 0.045% 0.045%
Sulfur, max 0.040% 0.040% 0.030% 0.030%
Silicon 0.15 - 0.35% 0.15 - 0.35% 1.00% max 1.00% max
Chromium 0.80 - 1.10% 0.70 - 0.90% 18.0 - 20.0% 16.0 - 18.0%
Nickel 1.65 - 2.00% 8.0 - 11.0% 10.0 - 14.0%
Molybdenum 0.15 - 0.25% 0.20 - 0.30% 2.00 - 3.00%

Applications Industry

  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals


Our Main Export Countries

  •   ASIA - Thailand, Singapore, Sri lanka, Bangladesh
  •   Middle East - Kuwait, Dubai, Saudi Arabia, Qatar, Oman, Bahrain, Jordan
  •   Europe - United Kingdom, Italy, Belgium, France, Croatia, Spain
  •   South America - Argentina, Chile, Brazil, Colombia, Paraguay
  •   Africa - Ghana, South Africa


Other Types Of ASTM A320 L7/L7M,A194 7M/7 FASTENERS

B7, B7M, 2H, 2HM Fasteners L7, L7M, 7L, 7M, B8, B8M Fasteners
ASTM A194 L7 Anchor Bolts ASTM A194 7M Eye Bolts
ASTM A194 7 Fasteners ASTM A194 L7M U Bolts
ASTM B193 Heavy Hex Bolts Manufacturer ASTM B194 Cap Screw
ASTM A194 L7 Double Ended Stud ASTM A194 L7M Square Bolts
ASTM A194 7M/7 Lock Nut Stock Holder L7M Coupler Nuts
ASTM A194 7M Locking Nuts ASTM A194 L7M Head Screw Exporter
7M, B8, B8M Fender Washer B7, B7M, 2H Countersunk Slotted Screw Exporter
2HM, L7, L7M Foundation Bolts Stockist ASTM A194 7M/7 T-Head Bolts Manufacturer
ASTM A194 L7 Mushroom Head Square Neck Bolts L7M Self Tapping Screw Supplier
ASTM A194 L7 Pan Head Screw ASTM A194 7M Stud Bolts
ASTM A194 7 Stud Bolts ASTM B194 Washers
ASTM B194 Hex Bolts ASTM A194 L7 Heavy Hex Nuts
A194 7 Heavy Hex Nuts Supplier A194 7m Heavy Hex Nuts Factory
A307 A Hex Bolts Manufacturers A307 B Heavy Hex Bolts Factory
A320 L7 Tap End Studs Supplier A320 L7 Threaded Rods Supplier
Self Drilling Screws In Kanpur A194 2hm Heavy Hex Nuts Factory



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Rated Best Fasteners Supplier In These Countries:

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Cities we have supplied our products to:

Ankara, Montreal, Busan, Surat, Sydney, Dallas, Dammam, Gimhae-si, Algiers, Pune, Al Jubail, Noida, Thane, Lahore, New York, Los Angeles, Moscow, Haryana, Doha, Jaipur, Cairo, Granada, Jakarta, Bogota, Secunderabad, Nagpur, Faridabad, Kolkata, Bangkok, Istanbul, Geoje-si, Al Khobar, Rio de Janeiro, Santiago, Petaling Jaya, Mexico City, Perth, Brisbane, Courbevoie, Port-of-Spain, Gurgaon, Madrid, Colombo, Indore, Vadodara, Chennai, Dubai, Kuwait City, Mumbai, Aberdeen, Kuala Lumpur, Jeddah, Edmonton, Karachi, Houston, London, Ho Chi Minh City, Chandigarh, Vung Tau, Manama, Howrah, Kanpur, Ernakulam, Lagos, Pimpri-Chinchwad, Riyadh, Ludhiana, Jamshedpur, Singapore, Bhopal, New Delhi, Bengaluru, La Victoria, Nashik, Calgary, Ahvaz, Navi Mumbai, Toronto, Visakhapatnam, Ahmedabad, Chiyoda, Hong Kong, Coimbatore, Ulsan, Tehran, Melbourne, Muscat, Abu Dhabi, Sharjah, Hanoi, Caracas, Atyrau, Rajkot, Thiruvananthapuram, Baroda, Seoul, Hyderabad, Milan, Ranchi.