Ranfit Metals manufactures and exports Fasteners to various countries such as Saudi Arabia, Bangladesh, United States, United Arab Emirates, Canada, Angola, Argentina, Austria, Azerbaijan, Pakistan, Peru, Chile, Kuwait, Mexico, Malaysia, Nigeria, Serbia, Singapore, Taiwan, Chile, Venezuela, Ecuador, Netherlands, Brazil, Vietnam, South Africa, Nigeria, Mexico, Turkey, Hungary, Algeria, Belarus, Belgium, Bhutan, Bolivia, Bulgaria, Croatia, Czech Republic, Estonia, Finland, Greece, Italy, Japan, Libya, Colombia, Ghana, Iran, Denmark, Poland, Australia, Afghanistan, Bahrain, Costa Rica, Egypt, Iraq, Jordan, South Korea, Kazakhstan, Sri Lanka, Lithuania, Norway, Oman, Philippines, Poland, Qatar, Spain, France, United Kingdom, Indonesia, Israel, Iran, Russia, Romania, Thailand, Trinidad & Tobago,Tunisia, Ukraine, Yemen, Hong Kong, Gabon, China, Portugal, Switzerland, New Zealand, Sweden, Slovakia, Kenya, Lebanon, Morocco, Mongolia
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Fasteners
Leading Manufacturer, Exporter & Supplier of Fasteners in Mumbai, India
At Ranfit Metal, we pride ourselves on being one of the leading manufacturers, exporters, and suppliers of industrial fasteners based in Mumbai, India — serving clients across diverse industries worldwide.
At Ranfit Metal, we manufacture and supply a wide selection of fasteners in various materials, sizes, and grades, including: Bolts, Nuts, Washers, Screws, Stud Bolts, Threaded Rods, Anchor Fasteners, Custom Fasteners as per Drawing & Specification. Our products are available in materials like stainless steel, carbon steel, alloy steel, duplex & super duplex steel, brass, copper, and special alloys - ensuring versatility and performance for every project need.
With a focus on quality, innovation, and customer satisfaction, we offer an extensive range of fasteners suitable for applications in construction, automotive, petrochemical, marine, power generation, and manufacturing sectors. Our fasteners are widely used in Oil & Gas, Petrochemicals, Construction, Shipbuilding, Aerospace, Power Plants, Railways, Automotive etc. No matter the industry, Ranfit Metal delivers precision-engineered fasteners that meet global quality standards like ASTM, DIN, BS, ISO, and more.
As a leading fasteners exporter from India, Ranfit Metal has built a strong global footprint, supplying to markets in UAE, Saudi Arabia, South Africa, Malaysia, Singapore, UK, Europe, USA, and beyond.
Fasteners Specification
| Dimensions | ASTM, ASME, AISI, DIN, BS, EN IS, JIS & other international standards. |
| Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
| Length | UPTO 5 METERS |
| Types | Bolts, Nuts, Screws, Studs, Screw, Hex Set Screw, Socket Screw, Sockets, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Cap Screw, Hex Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Structural Bolts, Hex Head Bolts, J Bolts, Socket Hexagon Head Screw, U- Bolts, Hex Coupling Nut, Mushroom Head Square Neck Bolts, Anchor Bolt, Wing Screw, Eye Bolt, Foundation Bolts, T-Head Bolts, Hex Bolt, Square Bolt, Stud Bolt, Threaded Bar, Allen Bolt, Flat Screw, Grub Screw, Hex Nut, Square Nut, Plain Washer, Hardlock Nut. etc |
Available Types of Fasteners
Hex Head Bolts
Carriage Bolts
Eye Bolts
Self Tapping Screws
Socket Set Screw
Anchor Bolt
Structural Bolts
U Bolts
Countersunk Washers
Machine Screws
Socket Screws
Hex Coupling Nut
Hex Nuts
Lock Nuts
Shoulder Bolts
T Head Bolts
Flat Washers
Lock Washers
Stud Bolts
Flanged Bolts
Fasteners Material & Grades
| Stainless Steel | ASTM / ASME 201, 202, 301, 304, 304L, 310, 310S, 316L, 316TI, 317, 317L, 321, 347, 409, 409M, 409L, 410, 410S, 420, 430, 431, 441, 444, 446, 17.4PH, 904L |
| Duplex/Super Duplex Steel | ASTM / ASME SA 790 UNS NO S 31803 , S 32205 , S 32550 , S 32750 , S 32760. |
| Carbon Steel | ASTM / ASME A 335 GRP 1 , P 5 , P 9 , P 11 , P 12 , P 22 , P 23 , P 91 |
| Alloys Steel | ASTM / ASME A 691 GRP1 CR , 1 1/4 CR , 2 1/4 CR , 5 CR , 9CR , 91. |
| Nickel Alloys | Nickel Alloys 200, Nickel Alloys 201 |
| Titanium | Grade 1, Grade 4, Grade 5(Ti 6Al-4V), Grade 6(Ti 5Al-2.5Sn), Grade 7, Grade 11, Grade 12, 8Ai-1Mo-1V, Grade 9(3Al-2.5V), 6Al-6V-25n, 6Al-2Sn-4Zr-2Mo, 6Al-7Nb, Grade 23(Ti 6AL-4V ELI), Grade 5 ELI |
| Inconel | Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750 , Inconel 690, Inconel 602, Inconel 617, Inconel 925, Inconel A-289, Inconel AL-6XN, AL-904L |
| Hastelloy | Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G |
| Molybdenum | ASTM / ASME A 182 GR F 5, F 9 , F 11 , F 12 , F 22 , F 91, ASTM B387, Ferro Molybdenum |
| Cobalt | Cobalt HS-6, Cobalt HS-4, Cobalt HS-25, Sterlite Grade 1, Sterlite Grade 6, Sterlite Grade 12, Sterlite Grade 21 |
| Niobium | ASTM B394, R04200 R04210 |
| Nimonic | Nimonic75, Nimonic80, Nimonic85, Nimonic90, Nimonic263, etc |
| Tungsten | W1 WAl1, W61, etc, Carbonide Tungsten, Copper Tungsten, Nickel Tungsten |
| Nichrome | Nichrome90, Nichrome80, Nichrome80A, Nichrome RW80, Nichrome75, etc |
| Magnesium | Magnesium AL017100, AL017140, AL017150, AL017160, AL017200, AL017210, AL017250, etc. |
| Tantalum | Tantalum - Grade 1. |
| Monel | Monel 400, Monel k500 |
| MU-METAL | MU-METAL |
| Zirconium | Zirconium 702, Zirconium 705,Zirconium 705, Zirconium-2, Zirconium-4 |
| Beryllium Copper | Alloy 25 UNSC17200 |
| Aluminium | 1050,1100, 2017, 7150, 7178, 7575, 2050, 7085, 2011 A92011, 2014A A92014, 2024 A92024, 2219, 5052 A95052, 5083 A95083, 5754, 6061 A96061 A86061, 6063, 6082 A96082, 7071 7020, 7050 A97050, 7075 A97075 A87075, 7175 |
| Copper Alloys | C 11000, C 10200, C 12200, C 51100, C 51000, C 51900, C 52000, C 52100, C 74500, C 75700, C 75400, C 76400, C 77000, C 21000, C 22000, C 23000, C 24000, C 26000, C 26800, C 27000, C 27200, C 28000 |
Fasteners Standard
| Hexagon Bolt / Set Screws | Stud Bolt | Hexagon Nuts | Socket Cap screws |
|---|---|---|---|
| DIN 931 | BS4882 | DIN 934 | DIN 912 |
| DIN 933 | DIN 976 | BS 1768 | DIN 6912 |
| BS 1768 | BS 1769 | DIN 7984 | |
| UNI 5731 | BS 1083 | ANSI B18.3 | |
| UNI 5739 | BS 3692 | ISO 4762 | |
| ISO 4014 | ISO 4032 | UNI 5931 | |
| ISO 4017 | ISO 4033 | BS 2470 | |
| BS 1769 | ANSI B18.2.2 | BS 4168 | |
| BS 3692 | |||
| ANSI B18.2.1 | |||
| Socket & Slotted Set Screws | Socket & Slotted Countersunk Screws | Studs | Washers |
| DIN 913 | DIN 963 | DIN 938 | DIN 125 |
| DIN 914 | DIN 7991 | DIN 939 | DIN 9021 |
| DIN 915 | BS 4168 | DIN 2510 | BS 4320 |
| DIN 916 | BS 1981 | BS 4439 | BS 3410 |
| DIN 551 | BS 483 | BS 2693 | |
| DIN 553 | BS 2470 | Spring Washers | |
| DIN 438 | DIN 127 | ||
| BS 4168 | BS 4464 | ||
| BS 1802 |
Bolt Dimensions
| Nominal Size (D) | Body Diameter | Head Thickness ASTM A193 | Acro ASTM A193 The Flats | Acro ASTM A193 Corners | ||||
|---|---|---|---|---|---|---|---|---|
| D (MAX) | D (MIN) | H (MAX) | H (MIN) | F (MAX) | F (MIN) | C (MAX) | C (MIN) | |
| m10 | 10.00 | 9.78 | 6.63 | 6.17 | 17.00 | 15.73 | 18.48 | 17.77 |
| m12 | 12.00 | 11.73 | 7.76 | 4.24 | 19.00 | 17.73 | 20.78 | 20.03 |
| m14 | 14.00 | 13.73 | 9.09 | 8.51 | 22.00 | 20.67 | 24.25 | 23.35 |
| m16 | 16.00 | 15.73 | 10.32 | 9.68 | 24.00 | 23.67 | 27.71 | 26.75 |
| m20 | 20.00 | 19.67 | 12.88 | 12.12 | 30.00 | 29.16 | 34.64 | 32.95 |
| m24 | 24.00 | 23.67 | 15.44 | 14.56 | 36.00 | 35.00 | 41.57 | 39.55 |
| m30 | 30.00 | 29.67 | 19.48 | 17.92 | 46.00 | 45.00 | 53.12 | 50.85 |
| m36 | 36.00 | 35.61 | 23.38 | 21.63 | 55.00 | 53.80 | 63.51 | 60.79 |
| m42 | 42.00 | 41.38 | 26.97 | 25.03 | 65.00 | 62.90 | 75.06 | 71.71 |
| m48 | 48.00 | 47.38 | 31.07 | 28.93 | 75.00 | 72.60 | 86.60 | 82.76 |
| m56 | 56.00 | 55.26 | 36.2 | 33.80 | 85.00 | 82.20 | 98.15 | 93.71 |
| m64 | 64.00 | 63.26 | 41.32 | 38.68 | 95.00 | 91.80 | 109.70 | 104.65 |
| m72 | 72.00 | 71.26 | 46.45 | 43.55 | 105.00 | 101.40 | 121.24 | 115.60 |
| m80 | 80.00 | 79.26 | 51.58 | 48.42 | 115.00 | 111.00 | 132.72 | 126.54 |
| m90 | 90.00 | 89.13 | 57.74 | 54.26 | 130.00 | 125.50 | 150.11 | 143.07 |
| m100 | 90.00 | 99.13 | 63.9 | 60.10 | 145.00 | 140.00 | 167.43 | 159.60 |
Nuts Dimensions
| Nominal Size or Basic Major Thread Diameter | F | G | H | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Width Across Flats | Width Across Corners | Thickness | |||||||
| Basic | Max | Min | Max | Min | Basic | Max | Min | ||
| 1/4 | .2500 | 1/2 | .500 | .488 | .577 | .556 | 15/64 | .250 | .218 |
| 5/16 | .3125 | 9/16 | .562 | .546 | .650 | .622 | 19/64 | .314 | .280 |
| 3/8 | .3750 | 11/16 | .688 | .669 | .794 | .763 | 23/64 | .377 | .341 |
| 7/16 | .4375 | 3/4 | .750 | .728 | .866 | .830 | 27/64 | .441 | .403 |
| 1/2 | .5000 | 7/8 | .875 | .850 | 1.010 | .969 | 31/64 | .504 | .464 |
| 9/16 | .5625 | 15/16 | .938 | .909 | 1.083 | 1.037 | 35/64 | .568 | .526 |
| 5/8 | .6250 | 1-1/16 | 1.062 | 1.031 | 1.227 | 1.175 | 39/64 | .631 | .587 |
| 3/4 | .7500 | 1-1/4 | 1.250 | 1.212 | 1.443 | 1.382 | 47/64 | .758 | .710 |
| 7/8 | .8750 | 1-7/16 | 1.438 | 1.394 | 1.660 | 1.589 | 55/64 | .885 | .833 |
| 1 | 1.0000 | 1-5/8 | 1.325 | 1.575 | 1.876 | 1.796 | 63/64 | 1.012 | .956 |
| 1-1/8 | 1.1250 | 1-13/16 | 1.812 | 1.756 | 2.093 | 2.002 | 1-7/64 | 1.139 | 1.079 |
| 1-1/4 | 1.2500 | 2 | 2.000 | 1.938 | 2.309 | 2.209 | 1-7/32 | 1.251 | 1.187 |
| 1-3/8 | 1.3750 | 2-3/16 | 2.188 | 2.119 | 2.526 | 2.416 | 1-11/32 | 1.378 | 1.460 |
| 1-1/2 | 1.5000 | 2-3/8 | 2.375 | 2.300 | 2.742 | 2.622 | 1-15/32 | 1.505 | 1.433 |
| 1-5/8 | 1.6250 | 2-9/16 | 2.562 | 2.481 | 2.959 | 2.828 | 1-19/32 | 1.632 | 1.556 |
| 1-3/4 | 1.7500 | 2-3/4 | 2.750 | 2.662 | 3.175 | 3.035 | 1-23/32 | 1.759 | 1.679 |
| 2 | 2.0000 | 3-1/8 | 3.125 | 3.025 | 3.608 | 3.449 | 1-31/32 | 2.013 | 1.925 |
| 2-1/4 | 2.2500 | 3-1/2 | 3.500 | 3.388 | 4.041 | 3.862 | 2-13/64 | 2.251 | 2.155 |
| 2-1/2 | 2.5000 | 3-7/8 | 3.875 | 3.750 | 4.474 | 4.275 | 2-29/64 | 2.505 | 2.401 |
| 2-3/4 | 2.7500 | 4-1/4 | 4.250 | 4.112 | 4.907 | 4.688 | 2-45/64 | 2.759 | 2.647 |
| 3 | 3.0000 | 4-5/8 | 4.625 | 4.475 | 5.340 | 5.102 | 2-61/64 | 3.013 | 2.893 |
| 3-1/4 | 3.2500 | 5 | 5.000 | 4.838 | 5.774 | 5.515 | 3-3/16 | 3.252 | 3.124 |
| 3-1/2 | 3.5000 | 5-3/8 | 5.375 | 5.200 | 6.207 | 5.928 | 3-7/16 | 3.506 | 3.370 |
| 3-3/4 | 3.7500 | 5-3/4 | 5.750 | 5.562 | 6.640 | 6.341 | 3-11/16 | 3.670 | 3.616 |
| 4 | 4.0000 | 6-1/8 | 6.125 | 5.925 | 7.073 | 6.755 | 3-15/16 | 4.014 | 3.862 |
Washers Dimensions
| Size | Inside Diameter | Outside Diameter | Thickness |
|---|---|---|---|
| #2 | 3/32" | 1/4" | .020" |
| #4 | 1/8" | 5/16" | 1/32" |
| #8 | 3/16" | 7/16" | 3/64" |
| #10 | 7/32" | 1/2" | 3/64" |
| #6 | 5/32" | 3/8" | 3/64" |
| 1/4 | 9/32" | 5/8" | 1/16" |
| 3/8 | 13/32" | 13/16" | 1/16" |
| 7/16 | 15/32" | 59/64" | 1/16" |
| 1/2 | 17/32" | 1-1/16" | 3/32" |
| 9/16 | 19/32" | 1-3/16" | 3/32" |
| 5/16 | 11/32" | 11/16" | 1/16" |
| 1-3/4 | 1-7/8" | 4" | 3/16" |
| 5/8 | 21/32" | 1-5/16" | 3/32" |
| 3/4 | 13/16" | 1-1/2" | 9/64" |
| 7/8 | 15/16" | 1-3/4" | 9/64" |
| 1" | 1-1/16" | 2" | 9/64" |
| 1-1/8 | 1-3/16" | 2-1/4" | 9/64" |
| 1-1/4 | 1-5/16" | 2-1/2" | 5/32" |
| 1-1/2 | 1-7/16" | 3" | 3/16" |
| 1-5/8 | 1-3/4" | 3-3/4" | 3/16" |
| 2 | 2-1/8" | 4-1/2" | 3/16" |
Screw Standard Dimensions
| Nominal Size* | Phillips Driver Size | Head Diameter (A) | Head Height (H) | Width of Slot (J) | Depth of Slot (T) | Dimension of Recess | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max | Min | Ref | Max | Min | Max | Min | Dia. Max (M) | Dia. Min (M) | Depth Max (G) | Depth Min (G) | Width Min (N) | ||
| 3 | 1 | .199 | .141 | .059 | .035 | .027 | .027 | .017 | .107 | .094 | .068 | .052 | .018 |
| 7 | 2 | .305 | .268 | .091 | .048 | .039 | .041 | .027 | .189 | .176 | .121 | .098 | .030 |
| 8 | 2 | .332 | .292 | .100 | .054 | .045 | .045 | .029 | .204 | .191 | .136 | .113 | .032 |
| 9 | 2 | .358 | .316 | .108 | .054 | .045 | .049 | .032 | .214 | .201 | .146 | .123 | .033 |
| 14 | 3 | .507 | .452 | .153 | .075 | .064 | .070 | .046 | .283 | .270 | .171 | .148 | .036 |
| 16 | 3 | .544 | .485 | .164 | .075 | .064 | .075 | .049 | .303 | .290 | .191 | .168 | .039 |
Connect With Us
If you're looking for a reliable and experienced fasteners supplier and manufacturer in Mumbai, India, look no further than Ranfit Metal. Contact us today to learn more about our products or to request a quote for your project.
+91-9987673092Industries we Serve
- Off-Shore Oil Drilling Companies
- Power Generation
- Petrochemicals
- Gas Processing
- Specialty Chemicals
- Pharmaceuticals
- Pharmaceutical Equipment
- Chemical Equipment
- Sea Water Equipment
- Heat Exchangers
- Pulp and Paper Industry
- Distilleries Industry
- Railway Industry
- Ship Industry
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Suppliers and Exporters of Fasteners in Countries like
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Suppliers and Exporters of Fasteners in Cities like
Ranfit Metals manufactures and exports Fasteners to multiple cities such as Mumbai, Thane, Navi Mumbai, Pune, Pimpri-Chinchwad, Vadodara, Kolkata, Gurgaon, Ahmedabad, Seoul, Hyderabad, Singapore, Abu Dhabi, Tehran, Calgary, Noida, Riyadh, London, Coimbatore, Jakarta, Istanbul, Bangkok, Kuwait City, Sharjah, Muscat, Edmonton, Busan, Mexico City, Doha, New Delhi, Bengaluru, Chennai, Surat, Bhopal, Ulsan, Faridabad, Houston, Dubai, Jeddah, Aberdeen, Cairo, Geoje-si, Perth, Santiago, Chandigarh, Indore, Kuala Lumpur, Rio de Janeiro, Dammam, Melbourne, Madrid, La Victoria, Bogota, Lahore, Los Angeles, Algiers, Chiyoda, Ankara, Ho Chi Minh City, Toronto, Hong Kong, Howrah, Sydney, Ahvaz, Karachi, Rajkot, Brisbane, Petaling Jaya, Ernakulam, Secunderabad, Gimhae-si, Al Jubail, Port-of-Spain, Thiruvananthapuram, Milan, Atyrau, Lagos, Hanoi, New York, Caracas, Vung Tau, Al Khobar, Manama, Montreal, Granada, Courbevoie, Visakhapatnam, Ludhiana, Moscow, Dallas, Haryana, Colombo
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