AK Block Type Ⅲ-A, Single / Double Sheave (with Forged Hook Top)


In addition to the snatch type, AK Block Type III-A comes in an eye type and a hook type. It also comes in single sheave and double sheave models. The different types also come in a variety of sizes. This product offers the most variations, including in prices, in the ASANO block category. This product is ideal for when you are introducing stainless steel blocks into your business for the first time. You will be able to enjoy the special characteristics only a stainless steel product manufacturer can offer, such as functional details and materials that are most effective for use at sea.

■Material: Special stainless steel, Sheave: SCS13 (equivalent to SUS304), Hook/side plate/sheave pin/set screw with a hexagon hole: SUS304, Oil impregnated bushing: bronze


Key Features

  • Feature 01

    Improved nut loosening prevention

    Feature 01

    Improved nut loosening prevention

    Ribs are designed into the nut, and a set screw is fixed between the ribs. When the nut is loosened, the rib runs into the set screw, making the nut harder to loosen.

  • Feature 02

    How to remove the nut

    Feature 02

    How to remove the nut

    When removing, ① remove the set screw first, and then ② remove the nut. Caution: If you attempt to remove the nut first, the tip of the set screw will bend and become unremovable.

  • Feature 03

    How to mount the nut

    Feature 03

    How to mount the nut

    When mounting, ① tighten the nut first, and then ② screw the set screw. Caution: If the set screw is protruding during use, it may come off when the nut
    is loosened. * When the set screw runs into the rib, it is not fully inserted and is protruding. When this occurs, loosen the nut to the thickness of the ribs,
    and then screw it in all the way.

Drawing / Dimension / Request for quotation

To request a quotation, check the RFQ column for any product(s) you would like a quotation for.
The product(s) you select will be added to the quotation request list.

RFQ Drawing No. List Price Size (Sheave dia.)(mm) Sheave Qty  Max dia of rope(mm) d(mm) L(mm) L2(mm) D1(mm) B(mm) B1(mm) B2(mm) t(mm) t1(mm) Hex. Wrench dia.(mm) Unit Weight(kg) Work Load Limit(kg)
AK10151 $214.75 75 1 16 22 259 129 59 80 23 18 24 54 1.5 1.25 500
AK10156 $308.00 75 2 16 22 259 129 59 80 23 18 24 82 1.5 1.8 500
AK10152 $335.50 100 1 22 32 340 170 78 108 30 23 28 62 1.5 2.7 1000
AK10157 $479.25 100 2 22 32 340 170 78 108 30 23 28 95 1.5 3.75 1000


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