PTFE Coated Fasteners

Ptfe Coated Stainless Steel Bolts manufacturer in India, Check Teflon Screws Strength

PTFE Coated Fasteners

What Is PTFE Coated Fasteners Used For?

A PTFE coated fastener is protected against water, friction, corrosion, and more. These fasteners are seen in electronics, marine systems, the oil and gas industry, composites in the aerospace sector, and chemically inert liners. They are also seen in musical instruments, kitchenware, and other applications.

Is PTFE Coated Bolts Rust Proof?

Polytetrafluoroethylene coated bolts are synthetic fluoropolymers that showcase excellent chemical composition. This gives them good corrosion resistance properties in the most violent media. The bolts are very stable in these conditions except in liquid or dissolved alkali metals like fluorine and other potent oxidizers. The PTFE coated bolts can handle temperatures up to 260 degrees C.

5 Benefits Of Teflon Screws

The prevalent carbon and fluorine bonds make the Teflon screws the strongest single bonds in organic chemistry. This gives them high flexural strength and are chemically inert. The screws offer excellent electrical insulation and dielectric strength in weatherable and non-adhesive conditions. These Teflon screws have an operating temperature range between -30 to 200 degrees C. These screws showcase enhanced resistance to chemical affluents in different conditions. They also have a long service life and are easy to use.

Difference Between PTFE Coated Nuts And PTFE Coated Studs

The PTFE coated studs are fully threaded on both their ends and possess an unthreaded middle section of the shaft. A PTFE coated nut has a hollow opening that is used to enclose the stud or bolt securely in place.

Check teflon coated bolts temperature rating, torque and Specification

Specification Chart Of PTFE Coated Bolts And Nuts

Use Temperatures range upto + 260°C
Corrosioin Resistance (ASTM B117) Salt Spray upto 3,000 hours
Hardness Range (ASTM D3363-92A) 5H to 6H
Operating Pressure Rating Upto 100,000 psi
Thickness Nominal 0.001 inch (1 mil)
Coefficient 0.06 to 0.08
Elongation 35%-50%
Tensile Strengths 4000 psi

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PTFE Hex Nuts Dimension

PTFE Hex Nuts Dimension
(mm) M3 M4 M5 M6 M8 M10 M12
Pitch
0.5 0.7 0.8 1.0 1.25 1.5 1.75
W
3.2 4.3 5.3 6.4 8.4 10.5 13.0
T
7.0 9.0 10.0 12.5 17.0 21.0 24.0

Types Of PTFE Coated Fasteners

PTFE Coated Fasteners

PTFE Coated Fasteners

PTFE Coating Bolts

PTFE Coating Bolts

PTFE Coated Screws

PTFE Coated Screws

Teflon Coated B7 Stud Bolts

Teflon Coated B7 Stud Bolts

PTFE Coated Bolts And Nuts

PTFE Coated Bolts And Nuts

PTFE Bolts

PTFE Bolts

Xylan Bolts

Xylan Bolts

Teflon Coated Studs

Teflon Coated Studs

Blue Teflon Coated Bolts

Blue Teflon Coated Bolts

Teflon Coated Fasteners

Teflon Coated Fasteners

Teflon Coated Washers

Teflon Coated Washers

Xylan Coated B7 Studs

Xylan Coated B7 Studs

Teflon Nuts And Bolts

Teflon Nuts And Bolts

PTFE Coated Bolts

PTFE Coated Bolts

PTFE Coated Nut Bolt

PTFE Coated Nut Bolt

PTFE Coated Nuts

PTFE Coated Nuts

PTFE Coated B7 Studs

PTFE Coated B7 Studs

PTFE Coated Stainless Steel Bolts

PTFE Coated Stainless Steel Bolts

Teflon Coated Bolts

Teflon Coated Bolts

Check ptfe coated bolt torque chart, coefficient friction and Price List

Teflon Coated Bolts Price

Description Price in India Price in USD Price in Euro Price in Saudi Riyal Price in Ringgit
BOLT, STUD 1 IN X 7-1/4 IN ASTM A193 GRADE B7 TEFLON COATED ₹ 439/ PCS $ 5.51 € 5.47 SAR 20.70 RM 24.82
M20X110MM SA193 B7 STUD BOLT TEFLON COATING ₹ 159/ PCS $ 2.00 € 1.98 SAR 7.51 RM 9.01
NUT, PTFE TOP COATED, M12 X 1.75MM PITCH ASTM A194 2HM ₹ 17/ NOS $ 0.21 € 0.21 SAR 0.79 RM 0.95
1/2 X 150MM ASTM A193 B7M STUD C/W 2 A194 2HM NUTS PTFE COATED ₹ 340/ PCS $ 4.27 € 4.24 SAR 16.04 RM 19.23
5/8 X 50MM A193 B7M HEX BOLT FULLY THREADED C/W 2- NUTS, PTFE COATED ₹ 357/ PCS $ 4.48 € 4.44 SAR 16.83 RM 20.18
M20 PTFE COATED NUT ₹ 1,988/ NOS $ 24.96 € 24.76 SAR 93.78 RM 112.42

Teflon Coated Bolts Temperature Rating

  • Hot Dip Galvanizing
    - Low Service Temp: N/A; solid below 800o
    - High Service Temp 800o F.
  • Zinc Phosphate-Ambient Temperature
  • Cadmium Electroplating
    - Low Service Temp: N/A; solid below 607o F
    - High Service Temp: 608o F.
  • DuPont Teflon® 857G Series PTFE
    - Low Service Temp: N/A
    - High Service Temp: 500o F.
  • Xylan® 1400 Series PTFE
    - Low Service Temp: -320o F.
    - High Service Temp: 450o F. continuous, 550o F. intermittent
  • Zinc or Zinc-Nickel Electroplating
    - Low Service Temp: N/A; solid below 788o F.
    - High Service Temp: 788o F.
  • Xylar 2® Cermet
    - Low Service Temp: N/A
    - High Service Temp: up to 1,000o F.

PTFE Coating Bolts Matreial Grades

Teflon Coated High Tensile Bolts PTFE Coated grade 8.8, Grade 4.8, grade 12.9, Grade 9.8, grade 10.9, Grade 5.8, grade 4.6 Studs and Nuts
Alloy Steel Xylan Coated Studs Xylan Coated AISI 4130, AISI 4140, ASTM A193 B8/B7 / B8 Class 2/ B8M/ B8M Class 2, ASTM A320 L43/L7 Fasteners
PTFE Coated Carbon Steel Nut Bolt AISI 1045, AISI 1018, AISI 12L14, AISI 1117, ASTM A36, AISI 1215, ASTM A307 Grade A/ B/ C, A108, ASTM A29, SAE J429, A549 PTFE Coated Fasteners
ASTM Standard Blue Teflon Coated ASTM A325, A320, A320 L7 ,A36, L7m, A320 B8m,A320 Grade B8, A540, A307, A354, A563, A593, A490, F593D,F593C, F593G Bolts

Teflon Coated B7 Stud Bolts Coating

  • DuPont® 857G Series PTFE
  • Zinc Phosphate
  • Xylan® PTFE
  • SermaGard® 1105/1280 Cermet
  • Xylar® Cermet
  • Mechanical Galvanizing (up to 1-1/2” dia., 5 lbs. wt., and/or 16” length per unit.)
  • Hot Dip Galvanizing

PTFE Coated Bolt Torque Chart

Dia (D) Across the Corners © Body Dia (D) Head Height (H) Across the Flats (F) Thread Lengths (T)
Maximum Minimum Maximum Minimum Maximum Minimum Maximum Minimum <6 inch >6 inch
1 3/8 2.526 2.416 1.404 1.345 0.94 0.81 2.188 2.119 3 3.25
1 1/2 2.742 2.622 1.531 1.47 1.036 0.902 2.375 2.3 3.25 3.5
1 3/4 3.175 3.035 1.785 1.716 1.196 1.054 2.75 2.662 3.75 4
2 3.608 3.449 2.039 1.964 1.388 1.175 3.125 3.025 4.25 4.5
2 1/4 4.041 3.862 2.305 2.214 1.548 1.327 3.5 3.388 4.75 5
1/2 1.01 0.969 0.515 0.482 0.364 0.302 0.875 0.85 1.25 1.5
5/8 1.227 1.175 0.642 0.605 0.444 0.378 1.062 1.031 1.5 1.75
3/4 1.443 1.383 0.768 0.729 0.524 0.455 1.25 1.212 1.75 2
7/8 1.66 1.589 0.895 0.852 0.604 0.531 1.438 1.394 2 2.25
1 1.876 1.796 1.022 0.976 0.7 0.591 1.625 1.575 2.25 2.5
1 1/8 2.093 2.002 1.149 1.098 0.78 0.658 1.812 1.756 2.5 2.75
1 1/4 2.309 2.209 1.277 1.223 0.876 0.749 2 1.938 2.75 3
2 1/2 4.474 4.275 2.559 2.461 1.708 1.479 3.875 3.75 5.25 5.5
2 3/4 4.907 4.688 2.827 2.711 1.869 1.632 4.25 4.112 5.75 6
3 5.34 5.102 3.081 2.961 2.06 1.815 4.625 4.475 6.25 6.5
Bolt Dia 70%
Torque
30% Initial
Torque
100% Final
Torque
1.3/8 590 252 843
1.1/2 778 334 1113
1.9/16 531 228 759
1.5/8 603 259 862
1.3/4 761 325 1086
1.7/8 944 404 1348
2 1157 496 1653
2.1/4 1673 717 2389
1/2 49 22 71
9/16 72 31 102
5/8 99 42 141
3/4 175 75 249
7/8 225 96 321
1 338 145 483
1.1/8 403 172 575
1.1/4 565 243 808
2.1/2 2317 994 3311
2.3/4 3118 1337 4454
3 4078 1748 5826
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PTFE Coated B7 Stud Bolt Sizes

Diameter Diameter in mm Diameter in inch Nut Sizes
M12 12 0.4724 19
M10 10 0.3937 17
M14 14 0.5512 22
M18 18 0.7087 27
M16 16 0.6299 24
M20 20 0.7874 30
M24 24 0.9449 36
M22 22 0.8661 32
M27 27 1.063 41
M33 33 1.2992 50
M30 30 1.1811 46
M36 36 1.4173 55
M42 42 1.6535 65
M39 39 1.5354 60
M45 45 1.7717 70
M52 52 2.0472 80
M48 48 1.8898 75
M56 56 2.2047 85
M64 64 2.5197 95
M60 60 2.3622 90
M68 68 2.6772 100
M76 76 2.9921 110
M72 72 2.8346 105
M80 80 3.1496 115
M90 90 3.5433 130
M85 85 3.3464 120
M100 100 3.937 145
M160 160 6.2992 230
M125 125 4.9212 180
M110 110 4.3307 155
M140 140 5.5118 200

DIN Stdandard Of Xylan Coated B7 Studs

DIN Stdandard Of Xylan Coated B7 Studs

Teflon Nuts And Bolts Melting Point

Melting Point
625°F 329°C

Teflon Coated Fasteners Test Report

  • Third Party Inspection
  • EN 10204/3.1B
  • Raw Materials Certificate
  • 100% Radiography Test
  • Mill test

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