PTFE Coated Fasteners

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PTFE Coated Fasteners

India’s Largest PTFE Coated B7 Studs, Nut Bolt Manufacturer, PTFE Coated Threaded Rod Exporter in India

Polytetrafluoroethylene(PTFE) is a tetrafluoroethylene synthetic fluoropolymer with various applications. It is a fluorocarbon element as it is a large molecular compound made up entirely of carbon and fluorine. It is hydrophobic: no water or water-containers react with PTFE, because of the high electronegativity of fluorine, fluorocarbons which posses London dispersion forces. It has one of the lowest friction coefficients of all solids and is used in pans and other cookwares as a non-stick coating. It shows vey less reactivity, partially due to the strength of C-F bonds and is therefore mostly used for storage of reactive and corrosive chemicals in containers and pipes.

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The 2H-nuts are commonly used by operations and maintenance teams and contractual partners in various chemical plants, refineries and offshore platforms for commercial purposes. For flanging pipes with valves, B-7 studies are quite successful. The chemical tolerance of the coating is excellent for a safe environment due to its easy functionality on / off. Some raising applications include irrigation, maritime and HVAC roofs.

 

Standard Specifications of PTFE Coated Fasteners

Standards
Designation
Manufacturing Process Insert tapping, Heat Treatment, Wire Drawing, Cold Heading, Packing, Surface Plating, Inspection
Requirements of Thread Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge), ASME B1.1, UNC & UNF,
Coatings PTFE
Delivery time Regular product is about 7-15 days, custom product will according to special requirement
Head Hex flange, Flat, T-head, Hex, Square, Round & Triangular etc
Dimensions
ASME B18.3, B18.2.1
Melt Origin
East Europe/South America/Korea/Japan
Neck type Hex, Square, Triangular, Oval & Knurled etc
Origin of Product
India
Configuration of Threads
B1.13M 6h Metric Coarse Threads and ASME B1.1 2A/3A Inch Unified Threads
Payment Terms T/T, Paypal, Western Union, L/C or Trade Assurance 30% deposit & balance before shipping
Extra Certifications
Merkblatt AD 2000 W2 Certified, PED 97/23/EC Certified,
Coatings Galvanized, Teflon, Black Oxide, Cadmium, Others Upon Request, Xylan, Zinc
Extra Requirements
Free from Radioactive Contamination & Mercury
Certification
As per ASME & ASTM Codes Dual Certified
Extra Requirements
NACE MR0175 /MR0103 / ISO 15156 Compliance
Samples Yes

 

Torque Chart of Ptfe Coated Bolts And Nuts

BOLT
DIAMETER
Torque chart FT-LBS
30% Initial
Torque
70%
Torque
100% Final
Torque
1/2
16
36
52
9/16
23
53
75
5/8
31
73
104
3/4
55
129
184
7/8
71
166
237
1
107
249
356
1.1/8
127
297
424
1.1/4
179
417
596
1.3/8
186
435
622
1.1/2
246
574
821
1.9/16
168
392
560
1.5/8
191
445
636
1.3/4
240
561
801
1.7/8
298
696
994
2
366
853
1219
2.1/4
529
1234
1762
2.1/2
733
1709
2442
2.3/4
986
2300
3285
3
1289
3008
4297

 

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PTFE boulder/bolts  is made of extremely corrosion resistant, high temperature inert polytetrafluoroethylene. The PTFE bolt is inert for most chemical conditions, e.g. organic materials, acids, bases, mixed harmful byproducts and hydrdofluoric acid. PTFE screws are primarily sustainable and are not leached or tainted by foodstuffs or pharmaceuticals. Some of the most common items for PTFE non-stick coatings is PTFE Coated Nuts due to their excellent release characteristics.

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PTFE coated nut is resistant to the average temperature at about 500 ° F. In order to optimize adhesive life, all PTFE connectors were coated with a Flurokote formulation with superior features.  With operating pressure of up to 100,000 psi, the tensile strength of this PTFE cover is up to 4,000 psi.  In contrast with galvanized fasteners with hot dips the lack of oxide assures that the frozen nuts are safely and quickly removed by using Lightning Bolt.