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 info@mbo-osswald.de
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    • €0.00
    mbo Osswald produces folding spring bolts with groove, ES-bolts with groove, suitable for clevis, clevises, according to DIN 71752, DIN ISO 8140, CETOP RP102P. We manufacture these of steel, 1.0718 resp. the spring of spring steel.

    Folding spring bolt with groove FKBR 4x8 Steel electr. galvanised white

    3 reviews since 22.09.2026
    Price per piece
    Optional
    Delivery time

    Fast-track this part (max. 400 units) through our production facility. Shorten the delivery time by 1-2 working days. We are currently exclusively testing this delivery service for Germany.
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    Total price
    Business customer

    plus VAT
    plus shipping costs

    Mounting and removal is possible without tools!
    Order no.
    10 01 0004 9001/014
    SKU
    0023507
    Identifier
    Folding spring bolt with groove (suitable for clevises)
    Size
    FKBR 4x8
    Material group
    Steel
    Surface
    electr. galvanised white
    Suitable for clevis
    G 4x8
    d1 h11
    4
    d2
    3
    c
    4
    r
    2,5
    g
    8
    a
    9,5
    b
    11,25
    l1
    19
    l1 Tolerance
    ≈
    l2
    15
    l2 Tolerance
    ≈
    l3 ˜
    4,5
    Mass (kg) per 100 pieces
    0,156
    Material

    Bolt: undercut steel 1.0715 (11SMn30+C) / 1.0718 (11SMnPb30+C), tensile strength approx. 460-810 N/mm², alternative: thermal treatment steel C45 or C45Pb induction-hardened (of manufacturer's choice), hardening depth: approx. 0,5 mm, alternative: 1.0715 / 1.0718 hardened by soft nitriding, hardend by soft nitriding, hardening depth: approx. 0,03 mm

    Spring: spring band steel C60 up to Ck75 hardened and annealed to approx. 430-500 HV