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Ratna Exports
Ratna Exports


Industrial Screws

We are mainly looking for export queries.


Copper Screw

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Copper Screw
Approx. Rs 200 / Kilogram
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In order to attain the maximum satisfaction of our esteemed clients, we are engaged in manufacturing, exporting, retailing and supplying best-in-class Copper Screw. Being a quality-oriented firm, we assure the durability and flawlessness of our offered product. Moreover, our range can be availed in various sizes and specifications, as per the requirements of our esteemed clients.

Features:

  • Durable
  • Flawless finish
  • Dimensionally precise

Specifications:

Types Screws:

  • Hex Head Screws
  • Mushroom Head Square Neck Bolt
  • T-Head Bolt
  • Wing Screw
  • Eye Bolt
  • Lifting Eye Bolt

Non Ferrous Grades:
  • Cupro Nickel70 / 30
  • Cupro Nickel 90 / 10
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Alloy Steel Screws

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Alloy Steel Screws
Approx. Rs 200 / Kilogram
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We have gained recognition as an eminent enterprise, devotedly engaged in offering a broad range of Alloy Steel Screws. Backed by a team of experts, this range is manufactured using high-grade raw materials and advance technology. Our offered range is precisely-designed, in order to meet the industry standards and norms. These screws are stringently tested on various parameters to assure them on counts of quality and durability.
APPLICATIONS/ ADVANTAGESB7 studs are best suited for use in temperatures between 300° - 400° C.
MATERIALBolts shall be made from a grade B7 alloy which conforms to the following chemical composition requirements--
Carbon: 0.37-0.49%; Manganese: 0.65-1.10%; Phosphorus: 0.035% max; Sulfur: 0.040% max; Silicon: 0.15-0.35% ; Chromium: 0.75-1.20% ;Molybdenum: 0.15-0.25%
HEAT TREATMENTImmediately after rolling or forging, the studs are cooled to a temperature below the cooling transformation stage. Parts are then hardened by heating to a temperature of 870°C and oil quenched then it is reheated to a minimum tempering temperature of 593°C and cooled in still air.
HARDNESS Rockwell C35 maximum
YIELD STRENGTHStuds 2.5” in diameter and smaller: 105,000 psi. minimum
TENSILE STRENGTHStuds 2.5” in diameter and smaller: 125,000 psi. minimum
ELONGATION IN 4D16% minimum
REDUCTION OF AREA50% minimum
PLATINGStuds are typically provided plain without a secondary finish or as per requirement
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Head Cap Screws

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Head Cap Screws
Approx. Rs 200 / Kilogram
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We are an eminent name, engaged in offering Button Head Cap Screws. These screws are manufactured using premium quality raw materials in accordance with the international standards. The offered product is checked on different characteristics to maintain its authenticity throughout the manufacturing process. In accordance with the diverse demands of clients, this range can be customized at rock-bottom prices.

Features:

  • Dimensional accuracy
  • Sturdy construction
  • High structural strength

Specifications:

Types Screws:

  • Hex Head Screws
  • Mushroom Head Square Neck Bolt
  • T-Head Bolt
  • Wing Screw
  • Eye Bolt
  • Lifting Eye Bolt

Carbon & Alloy Steels Grades:

  • Astm / Asme A 193 B 6, B 7 / B 7m, B 16 / Astm / Asme A 194 Gr. 2, 2hm, 2h, Gr 6, B 7, B 7m

Stainless Steel Grades:

  • Astm / Asme A 193 B 8(304)
  • B 8c (Ss 347)
  • B 8m (Ss 316)
  • B 8 T (Ss 321), A 2, A 4 / Astm / Asme A 194 B 8 (304), B 8c (Ss 347), B 8m (Ss 316), B 8t (Ss 321)

Super (nickel) Alloys & Duplex Steels Grades:

  • Astm / Asme Sb 160 Uns 2200 (Nickel 200) / Uns 2201 (nickel 201)
  • Astm / Asme Sb 164 Uns 4400 (monel 400)
  • Astm / Asme Sb 425 Uns 8825 (inconel 825)
  • Astm / Asme Sb 166 Uns 6600 (inconel 600) / Uns 6601 (Inconel 601)
  • Astm / Asme Sb 446 Uns 6625 (inconel 625)
  • Astm / Asme Sb 574 Uns 10276 (Hastelloy C 276)
  • Astm / Asme Sb 472 Uns 8020 (Alloy 20 / 20 Cb 3)

Non Ferrous Grades:

  • Aluminum, Bronze
  • Aluminum, Silicon, Bronze
  • Phosphor, Bronze
  • Manganese, Bronze
  • Brass
  • Naval Brass
  • Copper
  • Cupro Nickel70 / 30
  • Cupro Nickel 90 / 10
  • Hiduron 191
  • Marinel
  • Aluminum
  • Plastic
  • Nylon
  • Ptf
Yes! I am Interested

Hex Screw

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Hex Screw
Approx. Rs 200 / Kilogram
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Specifications:

Types Screws:

  • Hex Head Screws
  • Mushroom Head Square Neck Bolt
  • T-Head Bolt
  • Wing Screw
  • Eye Bolt
  • Lifting Eye Bolt

Carbon & Alloy Steels Grades:

  • Astm / Asme A 193 B 6, B 7 / B 7m, B 16 / Astm / Asme A 194 Gr. 2, 2hm, 2h, Gr 6, B 7, B 7m

Stainless Steel Grades:

  • Astm / Asme A 193 B 8(304)
  • B 8c (Ss 347)
  • B 8m (Ss 316)
  • B 8 T (Ss 321), A 2, A 4 / Astm / Asme A 194 B 8 (304), B 8c (Ss 347), B 8m (Ss 316), B 8t (Ss 321)

Super (nickel) Alloys & Duplex Steels Grades:

  • Astm / Asme Sb 160 Uns 2200 (Nickel 200) / Uns 2201 (nickel 201)
  • Astm / Asme Sb 164 Uns 4400 (monel 400)
  • Astm / Asme Sb 425 Uns 8825 (inconel 825)
  • Astm / Asme Sb 166 Uns 6600 (inconel 600) / Uns 6601 (Inconel 601)
  • Astm / Asme Sb 446 Uns 6625 (inconel 625)
  • Astm / Asme Sb 574 Uns 10276 (Hastelloy C 276)
  • Astm / Asme Sb 472 Uns 8020 (Alloy 20 / 20 Cb 3)

Non Ferrous Grades:

  • Aluminum, Bronze
  • Aluminum, Silicon, Bronze
  • Phosphor, Bronze
  • Manganese, Bronze
  • Brass
  • Naval Brass
  • Copper
  • Cupro Nickel70 / 30
  • Cupro Nickel 90 / 10
  • Hiduron 191
  • Marinel
  • Aluminum
  • Plastic
  • Nylon
  • Ptf
Yes! I am Interested

Cap Screws

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Cap Screws
Approx. Rs 200 / Kilogram
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Specifications:

Types Screws:

  • Hex Head Screws
  • Mushroom Head Square Neck Bolt
  • T-Head Bolt
  • Wing Screw
  • Eye Bolt
  • Lifting Eye Bolt

Carbon & Alloy Steels Grades:

  • Astm / Asme A 193 B 6, B 7 / B 7m, B 16 / Astm / Asme A 194 Gr. 2, 2hm, 2h, Gr 6, B 7, B 7m

Stainless Steel Grades:

  • Astm / Asme A 193 B 8(304)
  • B 8c (Ss 347)
  • B 8m (Ss 316)
  • B 8 T (Ss 321), A 2, A 4 / Astm / Asme A 194 B 8 (304), B 8c (Ss 347), B 8m (Ss 316), B 8t (Ss 321)

Super (nickel) Alloys & Duplex Steels Grades:

  • Astm / Asme Sb 160 Uns 2200 (Nickel 200) / Uns 2201 (nickel 201)
  • Astm / Asme Sb 164 Uns 4400 (monel 400)
  • Astm / Asme Sb 425 Uns 8825 (inconel 825)
  • Astm / Asme Sb 166 Uns 6600 (inconel 600) / Uns 6601 (Inconel 601)
  • Astm / Asme Sb 446 Uns 6625 (inconel 625)
  • Astm / Asme Sb 574 Uns 10276 (Hastelloy C 276)
  • Astm / Asme Sb 472 Uns 8020 (Alloy 20 / 20 Cb 3)

Non Ferrous Grades:

  • Aluminum, Bronze
  • Aluminum, Silicon, Bronze
  • Phosphor, Bronze
  • Manganese, Bronze
  • Brass
  • Naval Brass
  • Copper
  • Cupro Nickel70 / 30
  • Cupro Nickel 90 / 10
  • Hiduron 191
  • Marinel
  • Aluminum
  • Plastic
  • Nylon
  • Ptf
Yes! I am Interested

Hex Head Screws

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Hex Head Screws
Approx. Rs 200 / Kilogram
Get Best Quote

Specifications:

Types Screws:

  • Hex Head Screws
  • Mushroom Head Square Neck Bolt
  • T-Head Bolt
  • Wing Screw
  • Eye Bolt
  • Lifting Eye Bolt

Carbon & Alloy Steels Grades:

  • Astm / Asme A 193 B 6, B 7 / B 7m, B 16 / Astm / Asme A 194 Gr. 2, 2hm, 2h, Gr 6, B 7, B 7m

Stainless Steel Grades:

  • Astm / Asme A 193 B 8(304)
  • B 8c (Ss 347)
  • B 8m (Ss 316)
  • B 8 T (Ss 321), A 2, A 4 / Astm / Asme A 194 B 8 (304), B 8c (Ss 347), B 8m (Ss 316), B 8t (Ss 321)

Super (nickel) Alloys & Duplex Steels Grades:

  • Astm / Asme Sb 160 Uns 2200 (Nickel 200) / Uns 2201 (nickel 201)
  • Astm / Asme Sb 164 Uns 4400 (monel 400)
  • Astm / Asme Sb 425 Uns 8825 (inconel 825)
  • Astm / Asme Sb 166 Uns 6600 (inconel 600) / Uns 6601 (Inconel 601)
  • Astm / Asme Sb 446 Uns 6625 (inconel 625)
  • Astm / Asme Sb 574 Uns 10276 (Hastelloy C 276)
  • Astm / Asme Sb 472 Uns 8020 (Alloy 20 / 20 Cb 3)

Non Ferrous Grades:

  • Aluminum, Bronze
  • Aluminum, Silicon, Bronze
  • Phosphor, Bronze
  • Manganese, Bronze
  • Brass
  • Naval Brass
  • Copper
  • Cupro Nickel70 / 30
  • Cupro Nickel 90 / 10
  • Hiduron 191
  • Marinel
  • Aluminum
  • Plastic
  • Nylon
  • Ptf
Yes! I am Interested

Allen Cap Screws

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Allen Cap Screws
Approx. Rs 200 / Kilogram
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Specifications:

Carbon & Alloy Steels Grades:

  • Astm / Asme A 193 B 6, B 7 / B 7m, B 16 / Astm / Asme A 194 Gr. 2, 2hm, 2h, Gr 6, B 7, B 7m

Stainless Steel Grades:

  • Astm / Asme A 193 B 8(304)
  • B 8c (Ss 347)
  • B 8m (Ss 316)
  • B 8 T (Ss 321), A 2, A 4 / Astm / Asme A 194 B 8 (304), B 8c (Ss 347), B 8m (Ss 316), B 8t (Ss 321)

Super (nickel) Alloys & Duplex Steels Grades:

  • Astm / Asme Sb 160 Uns 2200 (Nickel 200) / Uns 2201 (nickel 201)
  • Astm / Asme Sb 164 Uns 4400 (monel 400)
  • Astm / Asme Sb 425 Uns 8825 (inconel 825)
  • Astm / Asme Sb 166 Uns 6600 (inconel 600) / Uns 6601 (Inconel 601)
  • Astm / Asme Sb 446 Uns 6625 (inconel 625)
  • Astm / Asme Sb 574 Uns 10276 (Hastelloy C 276)
  • Astm / Asme Sb 472 Uns 8020 (Alloy 20 / 20 Cb 3)

Non Ferrous Grades:

  • Aluminum, Bronze
  • Aluminum, Silicon, Bronze
  • Phosphor, Bronze
  • Manganese, Bronze
  • Brass
  • Naval Brass
  • Copper
  • Cupro Nickel70 / 30
  • Cupro Nickel 90 / 10
  • Hiduron 191
  • Marinel
  • Aluminum
  • Plastic
  • Nylon
  • Ptf
Yes! I am Interested

 
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Call Us: +91-8079466387
Ratna Exports
Hardik Sheth (Manager)
77, Prabhu Shri Ram Mandir Marg ,
Mumbai - 400004, Maharashtra, India
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