• Grade 8.8 & 10.9 Bolts with DIN 127B Washers

    Astech Tube specializes in high-quality fastener solutions, offering a comprehensive range of industrial products like Grade 8.8 and 10.9 Bolts with DIN 127B Washers. These bolts are essential for heavy-duty applications, offering strength, durability and reliability. DIN 127B washers are designed to prevent loosening under vibration or load, this combination offers an excellent locking solution. The DIN 127 spring washer is made for securing bolts in various mechanical and structural assemblies, ensuring long-lasting performance.

    DIN 127 B - Spring lock washers, Form B, Metric DIN 127 Type B Helical Spring Split Lock Washers, DIN 127B Washers Spring Lock M24 Spring Steel Zinc Plated, DIN 127B Lock Washers, din 127 a vs b, Weights for DIN 127.

    These high-performance bolts and washers find a wide range of applications across different industries. In the construction, automotive and machinery sectors, Grade 8.8 & 10.9 bolts with DIN 127B washers are used for securing structural components, assembling heavy machinery and fastening parts exposed to vibration. DIN 127 b specification ensures that the washers have precise dimensions, ensuring compatibility with various bolt sizes. DIN 127 washer dimensions allow easy installation into diverse setups with various bolt and screw types. The lock washer DIN 127 is preferred because of its ability to maintain tightness under fluctuating forces. Whether for heavy equipment, machinery assembly or automotive manufacturing, Grade 10.9 Bolts with DIN Washers offer superior reliability and performance.

    We adhere to the highest industrial standards, ensuring DIN 127 washer meet stringent quality checks. Our products comply with ISO, DIN and other international standards, offering customers high performance and safety. Each batch undergoes various tests, including tensile strength, dimensional checks, and surface treatment tests, to ensure they meet the required specifications. We also provide certification and traceability, ensuring that each product complies with the relevant industrial standards. With efficient packaging and timely delivery options.

    Bolt grade 8.8 meaning 8.8 means strength of this bolt, Grade 8.8 tensile strength is 800 MPa
    Specification
    • EN 15048
    • ISO 4017
    • ISO 4032
    American standard
    • ASTM A574
    • ASTM A574M
    Size Range
    • All sizes below 16-mm
    • 16-mm to 72-mm
    Length 20mm – 380mm
    Head Marking 8.8
    Proof Load
    • 580 MPa
    • 600 MPa
    Min. Yield Strength
    • 640 MPa
    • 660 MPa
    Min. Tensile Strength
    • 800 MPa
    • 830 MPa
    Surface
    • HDG (Hot dip galvanized)
    • HDFG ISO (ISO Fit)
    • HDFG OVS (Oversized)
    • Zinc Plated
    Thread
    • Metric
    • UNC
    • ISO 4017 (fully threaded)
    Material Medium carbon steel, quenched and tempered
    grade-8-8-stud-bolt

    Grade 8.8 Stud Bolt

    DIN 127B Washers

    DIN 127B Washers

    stud-eye-bolt

    Stud Eye Bolt

    Grade 8.8 & 10.9 En 15048 Hex Bolts Dimension Chart

    Technical Info Manufacturing Standards & Specification Sizes
    Chamfered End 8.8 Grade Stud Bolts ASME B16.5 Inch
    Continuous Thread Class 8.8 Stud Bolts ASME / ANSI B18.31.2 Inch
    Grade 8.8 Weld/Welding Studs CSN 021399/ DIN525 Metric (mm)
    Grade 8.8 Steel Stud Bolts BS 3692 Metric
    BS 3692 Grade 8.8 Clamping Studs IS 13178 Metric size
    Double End Stud Bolts BS 4190 Grade 8.8 (Size 1.25 x Diameter) CSN 021176/ DIN 939 Metric
    Double End Stud Bolts, High Tensile 8.8 Grade with Thread Engagement Length Equals to 2.5 x Diameter NF E 25135 / DIN 940 Metric
    Hsfg Grade 8.8 Double Ended Studs NF E25135/ DIN 835 Metric (mm)
    En 15048 Grade 8.8 Double End Stud Bolts (Thread Length 1 x Dia.) NF E25135/ DIN 938 Metric
    8.8 Galvanised Double End Studs (2D Thread Length) DIN 949-1 Metric
    8.8 High Tensile Double End Stud Bolts (1.5 x Diameter Thread Length) BS 4439 Metric size
    Grade 8.8 Galvanised Stud Bolts IS 1862 Metric
    Class 8.8 Double End Studs (2.5D Thread Length) DIN 949-2 Metric
    8.8 Grade Double End Stud Bolts and Studs DIN 2509 Metric
    BS 3692 Grade 8.8 Threaded Rod or Stud Bolts (Plain End) NF E25605/ DIN 975 Inch (imperial)
    BS 4190 Grade 8.8 Threaded Rod or Stud Bolts (Plain End) UNI 6610/ DIN 976 Metric
    High Tensile 8.8 Grade Reduced Shank Double End Stud Bolt DIN 2510 L, DIN 2510 K, DIN 2510 Z, DIN 2510 GP, DIN 2510 ZU/KU, DIN 2510 GR, DIN 2510 GQ, DIN 2510 HP, DIN 2510 GS Metric size
    Hsfg Grade 8.8 Stud Bolts and Studs Screwed/ BS 2693 Inches
    Have you any question or query
    General Queries While Buying Grade 8.8 Bolts

    Torque Chart of 8.8 Grade Stud Bolt

    STUD BOLTS
    DIA
    Torque FT-LBS
    30% Initial
    Tightening Torques
    70%
    Tightening Torques
    100% Final
    Tightening Torques
    1/2 17 39 55
    9/16 24 55 80
    5/8 33 77 110
    3/4 59 137 195
    7/8 93 217 310
    1 140 325 465
    1 1/8 205 480 685
    1 1/4 288 672 960
    1 3/8 391 915 1305
    1 1/2 518 1208 1725
    1 9/16 588 1372 1960
    1 5/8 668 1558 2225
    1 3/4 840 1960 2800
    1 7/8 1044 2436 3480
    2 1280 2985 4265
    2 1/4 1850 4315 6165
    2 1/2 2565 5985 8550
    2 3/4 3121 7282 10400
    3 4080 9520 13600

    DIN 127 B Spring Lock Washers, Form B Weight Chart

    Size Weight
    M2 0.033
    M2.2 0.050
    M2.5 0.053
    M3 0.11
    M3.5 0.12
    M4 0.18
    M5 0.36
    M6 0.83
    M7 0.93
    M8 1.60
    M10 2.53
    M12 3.82
    M14 6.01
    M16 8.91
    M18 9.73
    M20 15.2
    M22 16.5
    M24 26.2
    M27 28.7
    M30 44.3
    M36 67.3
    M39 71.7
    M42 111
    M45 117
    M48 123
    M52 182
    M56 193
    M60 203
    M64 218
    M68 228

    Types of Grade 8.8 Bolts

    Grade 8.8 Bolts Applications

    • Petrochemicals
    • Gas Processing
    • Chemical Equipment
    • Off-Shore Oil Drilling Companies
    • Pharmaceutical Equipment
    • Pulp & Paper Industry
    • Sea Water Equipment
    • Power Generation