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.
Table of Content
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 |
(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 Coating Bolts
PTFE Coated Screws
Teflon Coated B7 Stud Bolts
PTFE Coated Bolts And Nuts
PTFE Bolts
Xylan Bolts
Teflon Coated Studs
Blue Teflon Coated Bolts
Teflon Coated Fasteners
Teflon Coated Washers
Xylan Coated B7 Studs
Teflon Nuts And Bolts
PTFE Coated Bolts
PTFE Coated Nut Bolt
PTFE Coated Nuts
PTFE Coated B7 Studs
PTFE Coated Stainless Steel Bolts
Teflon Coated Bolts
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
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
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 |
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
Teflon Nuts And Bolts Melting Point
Melting Point | |
---|---|
625°F | 329°C |
Teflon Coated Fasteners Test Report
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