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Grade 8.8 Nut

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Class 8.8 Pinion Nut and Grade 8.8 Nyloc Nuts manufacturer in India

High integrity 8.8 Grade Nut manufacturer in India providing Tailored solutions for bolted joints. Grade 8.8 Nut is high tensile steel which is often referred to as the structural grade. It is one of the most common forms of high tensile material and it is usually stocked in plain finish or zinc. It can also be plated in many other coatings. 8.8 Nyloc Nuts also referred to as a nylon-insert lock nut, polymer-insert lock nut, or elastic stop nut, is a kind of locknut with a nylon collar that increases friction on the screw thread. 8.8 Grade Nut is a fastener with a threaded hole. It is attached to a bolt, screw or stud to prevent axial movement and offer a securing force. A bolt is inserted with aligned holes through two parts and a nut is then screwed onto the bolt. The rod of the bolt stops radial movement of the parts, while the head of the bolt and the nut together stop axial movement. 8.8 Pinion Nut can be safely remove and re-install on a 14-bolt. Grade 8.8 Hex Nut is been specially cut with the help of a steel cutting machine. The whole process is comparatively quick, and thousands of nuts can be manufactured within a matter of minutes. The hexagonal shape nut makes it easy to turn. With its six sides, you can turn a fastener just one-sixth of the process to make the next flat parallel. There are six flat parallels on hexagonal nuts.

Grade 8.8 Nut

Grade 8.8 Nut

8.8 Pinion Nut

8.8 Pinion Nut

Grade 8.8 Hex Nut

Grade 8.8 Hex Nut

Manufacturer and supplier of M16 M30 M36 Grade 8.8 Lock Nuts, Hex Nut Class 8.8 and 8.8 M12 Nut in DIN /ISO & Imperial standard

Grade 8.8 Nut

Table of contents

Grade 8.8 Nut Specifications

Searching BS 4190 Grade 8.8 Hex Nut in a specific size? Manufacturer and exporter of 8.8 Weld Nut, Square Nut and En 15048 Grade 8.8 Jam Nut in India, check Torque and Chemical Composition

Class 8.8 Nut Size Metric
  • Dia: M10 - M110
  • Length: 12 - 1200MM
Grade 8.8 Hex Nut Size Inch
  • Dia: 1/2" - 4.0"
  • Length: 1/2" - 52"
Standard

Manufacturer of Grade 8.8 Nut as per IS, ANSI, ASTM, DIN, ISO, JIS, GB, ASME, BS, UNI, CSN, EU, IFI, PN, and all International Standards
Material Origin Grade 8.8 Nut are Western European. Eastern origin possible on request.
Surface Finish & Coating of Grade 8.8 Nuts
  • PTFE Grade 8.8 Nuts
  • Hot Dip Galvanised (HDG)
  • ZINC
  • Plain
  • Black
  • Dacromet
  • HDG

All Class 8.8 Nuts surface finishes can be supplied including Galvanised, Zinc, Sherardized, Dacromet, Electroless Nickel, Geomet & PTFE.
Other Grade 8.8 Nut manufacturers Omni, APL, Kundan, Deepak Fasteners, Unbrako, Sundaram Precision, Infasco, Caparo, EBY Fastener, SPAX® Screws, GKW Etc.
Grade 8.8 Nuts Sizes
  • Cold Forming process: M2-M24
  • Hot Forging process: M24-M100, 1-1/2” Dia, up to 1100mm lg

Manufacturing M2, M3, M3.5, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M42, M45, M48 to M160 and Custom Metric Grade 8.8 Nut
Grade 8.8 Steel Nuts types Hex Nuts, Heavy Hex Nuts, Lock Nut, Self Locking Nuts, Nylon Insert Nut, Coupler Nuts, Cap Nut, Wing Nut, Flange Lock Nut, Castle Nut, Nuts, Jam Nut, Slotted Nut, Square Nut, High Tensile Heavy Hex Nuts, K Lock Nut, Flex Lock Nut, 2 Way Lock Nut, T Nuts, Lug Nuts, Rivet Nuts, Weld Nuts, Wheel Nuts, Cage Nuts, Captive Nuts, Dome Nuts, Dome Head Nuts, Dowel Nuts, Eye Nuts, Flange Nuts, High Crown Acorn Nuts, Hex Weld Nuts, Half Nuts, Hex Rivet Nuts, Insert Nuts, U Nuts, Custom Nuts
Why Jignesh Steel?
  • An Indian manufacturer, established in Year 2008
  • Wide International network : Western Europe, Eastern Europe, Middle East, Southeast Asia, North America, and South America
  • Best Price in India compared to Grade 8.8 Nut manufacturers in China
  • Highly professional and technical team
  • Always final Inspection before shipment
  • Pre-production 8.8 Grade Nuts sample before mass production
  • High precision threads
MOQ 5 pieces
Preferred Grade 8.8 Nut Drawing Formats JPEG, PDF, CAD, STP, IGS
Ask for Test Certificates from Grade 8.8 Nut manufacturers
  • Manufacturer Test Certificate (MTC) as per EN 10204 / 3.1,
  • Class 8.8 Nuts Tensile testing to ISO 898-1
  • Hardness testing to ISO 6508-1
  • Suitability for preloading to EN 14399-2
  • Tri-Roll Thread Comparators
  • Grade 8.8 Steel Nuts Charpy Impact testing in accordance with ISO 148-1
  • Suitability test for calibrated preload to EN 14399-10
  • Grade 8.8 Nut proof load testing to ISO 898-2
  • Calibrated gauges and tools
Free Samples Yes
Delivery time Regular product is about 7-15 days
Payment Terms T/T, Western Union, Paypal, L/C or Trade Assurance 30% deposit & balance before shipping
Port of Dispatch Mumbai or Kalamboli ports in Maharashtra state of India
BS 3692 grade 8.8 Nuts Application and Uses Industrial, Wind tower, Railway, Nuclear power, Construction, Electronic, and Automotive industry
ISO - International Organization for Standardization

Class 8.8 Hex Nuts Dimensions

Find your sizes in our inventory, wide selection of BS 3692 Grade 8.8 Pinion Nut, Slotted Nut, Hexagon Nut and Self Locking Nuts, and 8.8 High Tensile Finished Hex Nuts in Mumbai warehouse, view dimensions and price list ex Mumbai

Grade 8.8 Steel Heavy Hex Nut Dimensions in mm

ISO Grade 8.8 Hex Nut NB Across Corners MAX Thickness MIN Thickness MAX Across Flats MIN Across Flats
M 8 14.38 6.8 6.44 13 12.73
M 10 17.77 8.4 8.04 16 15.73
M 12 20.03 10.8 10.37 18 17.73
M 14 23.35 12.8 12.1 21 20.67
M 16 26.75 14.8 14.1 24 23.67
M 18 29.56 15.8 15.1 27 26.16
M 20 32.95 18 16.9 30 29.16
M 22 37.29 19.4 18.1 34 33
M 24 39.55 21.5 20.2 36 35
M 27 45.2 23.8 22.5 41 40
M 30 50.85 26.6 24.3 46 45
M 33 55.37 28.7 27.4 50 49
M 36 60.79 31 29.4 55 53.8
M 39 66.44 33.4 31.8 60 58.8
M 42 71.3 34 32.4 65 63.1
M 45 76.95 36 34.4 70 68.1
M 48 82.6 38 39.4 75 73.1
M 52 88.25 42 40.4 80 78.1
M 56 93.56 45 43.4 85 82.8
M 60 99.21 48 46.4 90 87.8
M 64 104.86 51 49.1 95 92.8
M 68 110.51 54 52.1 100 97.8
M 72 x 6 116.16 58 56.1 105 102.8
M 76 x 6 121.81 61 59.1 110 107.8
M 80 x 6 127.46 64 62.1 115 112.8

Grade 8.8 Nuts Types

Manufacturer of all types of Hsfg Grade 8.8 Metric Nut such as High Tensile 8.8 Grade Heavy Hex Nuts, Nylon Insert Nut, Coupler Nuts and 8.8 Galvanised Flange Nuts
Grade 8.8 Lock Nut

Grade 8.8 Lock Nut

Class 8.8 Hex Nut

Class 8.8 Hex Nut

Grade 8.8 Steel Weld Nut

Grade 8.8 Steel Weld Nut

BS 3692 grade 8.8 Pinion Nut

BS 3692 grade 8.8 Pinion Nut

8.8 Grade Heavy Hex Nut

8.8 Grade Heavy Hex Nut

BS 4190 grade 8.8 Slotted Flange Nut

BS 4190 grade 8.8 Slotted Flange Nut

High Tensile 8.8 Grade M10 Hexagon Nut

High Tensile 8.8 Grade M10 Hexagon Nut

Fine Thread En 15048 Grade 8.8 Hex Nut

Fine Thread En 15048 Grade 8.8 Hex Nut

Uses and application of Grade 8.8 Nuts

  • Nuclear Energy Sector
  • Offshore & Chemical Plants
  • Engineering & Aerospace Industry
  • Grade 8.8 Nuts for Construction
  • High quality Grade 8.8 Petrochemical Hex Nuts
  • High Strength Class 8.8 Nuts for Automotive industry
  • Large size Grade 8.8 Steel Nuts for Oil & Gas Industries
  • Metric Grade 8.8 Hex Nuts for Power Generation
  • BS 3692 grade 8.8 Nut suitable for Off-Shore Oil Drilling
  • Heavy duty 8.8 Grade Nuts for Heat Exchangers

Testing Tool & Equipment for Grade 8.8 Hex Nut

  • Hardness Machine
  • Routine inspection of calipers
  • Tensile Testing Machine for pulling Grade 8.8 Nut
  • Coordinate Measuring Machine
  • Image measuring instrument
  • Suitability Test Machine for assembly testing
  • Roughness tester used to test the surface finish of a Grade 8.8 Nuts
  • Spectro Chemical Analysis Machine
  • Micrometer for accurate measurement of Grade 8.8 Nut
  • Thread gauge and Smooth plug gauge used to check Grade 8.8 Nuts quickly

Class 8.8 Nuts Sizes

BS 3692 grade 8.8 Finished Hex Nuts sizes as per ANSI/ASME B18.2.2

Class 8.8 Nuts Sizes

Nominal or Basic Major Diameter of Nut Thread

 Grade 8.8 Nuts Width Across Flats (F)

 Width Across Corners (G) Thickness of Class 8.8 Hex Nuts (H) 
Basic Max Min  Max  Min Basic  Max Min 
1/4 0.2500 7/16 .438 .428 .505 .488 7/32 0.226 0.212
5/16 0.3125 1/2 .500 .489 .577 .557 17/64 0.273 0.258
3/8 0.3750 9/16 .562 .551 .650 .628 21/64 0.337 0.320
7/16 0.4375 11/16 .688 .675 .794 .768 3/8 0.385 0.365
1/2 0.5000 3/4 .750 .736 .866 .840 7/16 0.448 0.427
9/16 0.5625 7/8 .875 .861 1.010 .982 31/64 0.496 0.473
5/8 0.6250 15/16 .938 .922 1.083 1.051 35/64 0.559 0.535
3/4 0.7500 1-1/8 1.125 1.088 1.299 1.240 41/64 0.665 0.617
7/8 0.8750 1-5/16 1.312 1.269 1.516 1.447 3/4 0.776 0.724
1 1.0000 1-1/2 1.500 1.450 1.732 1.653 55/64 0.887 0.831
1-1/8 1.1250 1-11/16 1.688 1.631 1.949 1.859 31/32 0.999 0.939
1-1/4 1.2500 1-7/8 1.875 1.812 2.165 2.066 1-1/16 1.094 1.030
1-3/8 1.3750 2-1/16 2.062 1.994 2.382 2.273 1-11/64 1.206 1.138
1-1/2 1.5000 2-1/4 2.250 2.175 2.598 2.480 1-9/32 1.317 1.245
1-5/8 1.6250 2-7/16 2.438 2.356 2.815 2.686 1-25/64 1.429 1.353
1-3/4 1.7500 2-5/8 2.625 2.538 3.031 2.893 1-1/2 1.540 1.460
2 2.000 3 3.000 2.900 3.464 3.306 1-23/32 1.763 1.675
2-1/4 2.2500 3-3/8 3.375 3.263 3.897 3.719 1-15/16 1.986 1.890
2-1/2 2.5000 3-3/4 3.750 3.625 4.330 4.133 2-5/32 2.209 2.105
2-3/4 2.7500 4-1/8 4.125 3.988 4.763 4.456 2-3/8 2.431 2.319
3 3.000 4-1/2 4.500 4.350 5.196 4.959 2-19/32 2.654 2.534

Grade 8.8 Nut Torque Chart

Metric Course Pitch Grade 8.8 Plated
Nm ft-lb
M6 8 6
M8 20 15
M10 40 30
M12 70 52
(M14) 112 83
M16 175 129
(M18) 241 177
M20 341 252
(M22) 464 342
M24 590 435
(M27) 863 636
M30 1171 864
(M33) 1594 1176
M36 2047 1510
(M39) 2649 1954
M42 3274 2415
(M45) 4072 3003
M48 4911 3622
M52 6370 4698

 

Chemical Composition of Grade 8.8 Nut

(EN ISO 898-1:2013)

Class/ Grade Material and heat treatment Chemical composition (analysis on the product) % Minimum hardening temperature °C
C P S B
minimum max max max max
4.6 Carbon steel - 0,55 0,050 0,060 Not specified -
4.8 0,13 0,55 0,050 0,060
5.6 - 0,55 0,050 0,060
5.8
6.8 0,15 0,55 0,050 0,060
8.8 Alloy/ Carbon steel (B, Mn, Cr), quenched and tempered 0,15(3) 0,40 0,025 0,025 0,003 425
Quenched and tempered carbon steels 0,25 0,55 0,025 0,025
Quenched and tempered alloy steels 0,20 0,55 0,025 0,025
9.8 Alloy/ Carbon steel (B, Mn, Cr), quenched and tempered 0,15(3) 0,40 0,025 0,025 0.003 425
Carbon steel Quenched and tempered 0,25 0,55 0,025 0,025
Alloy steel Quenched and tempered 0,20 0,55 0,025 0,025

Mechanical Properties of Class 8.8 Hex Nuts

EN ISO 898-1:2013

Characteristics Strength Class/ Grade
4.6 4.8 5.6 5.8 6.8 8.8
d≤16mm		 8.8
d>16mm		 9.8
Tensile strength
Rm (MPa)		 nom 400 400 500 500 600 800 800 900
minimum 400 420 500 520 600 800 830 900
Yield strength Rm (MPa)
ReL up to 6.8 - Rp0,2 from 8.8		 nom 240 - 300 - - 640 640 720
minimum 240 - 300 - - 640 660 720
Elongation after fracture, a% minimum 22 - 20 - - 12 12 10
Necking Z%             52 52 48
Vickers hardness (HV)
F ≥ 98 N		 minimum 120 130 155 160 190 250 255 290
max 220 220 220 220 250 320 335 360
Brinell hardness (HB)
F = 30D2		 minimum 114 124 147 152 181 238 242 276
max 209 209 209 209 238 304 318 342
Rockwell hardness
HRB up to 6.8 - HRC from 8.8		 minimum 67 71 79 82 89 22 23 28
max 95 95 95 95 99,5 32 34 37
Resilience KV (J) – 20°C(1) minimum - - 27 - - 27 27 27

Grade 8.8 Nut Price List

Products FOB Price US $
Zinc Plated Carbon Steel Grade 8.8 Nut US $0.01-$2.50/ Piece
Nut Grade 8.8 Hex Nut With Black Oxide DIN934 Coarse Thread Fine Thread US $0.20-$1.50/ Piece
M6 M8 M10 M12 M14 DIN508 Grade 8.8 Carbon Steel T-Slot Nut (Black Oxide Finish) US $0.01-$0.10/ Piece
8.8 grade steel square weld nut hex weld nut DIN928 US $0.05-$2.50/ Piece
Grade 8.8 galvanized nut self Lock Nut Din985 plastic Nylon nut M8 Insert bolt US $0.02-$0.03/ Piece
galvanized yellow zinc plated hex nut grade 8.8 US $0.05-$0.10/ Piece
Custom carbon steel Grade 8.8 Hex nut Black oxide US $0.20-$5.00/ Set

Call us or send us an email to sales@jigneshsteel.com for more details. Always compare our price with other Grade 8.8 Nut manufacturers in India or China

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