Sandvik RC Hammer RE531

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Sandvik RC Hammer RE531

RCDHH - RE531 REVERSE CIRCULATION DOWN-HOLE HAMMER is ideal for medium to hard ground, a good alternative to air core drilling.

SPECIFICATIONS
  Ø mm Ø in
Hammer 81 3-1/4
Bit 86 to 102 3-3/8 to 4
HAMMER ASSEMBLIES
Item Part No Description
1-15 32-531-R30 Hammer Assy 3in Remet

  • Technical Specification

    Technical Specification

HAMMER COMPONENTS
BITS And SHROUDS
ASSEMBLY CHART

Details

  • Reverse Circulation Hammers
  • TOP SUB ASSEMBLIES
    Item Part No Description
    A   3in Remet
    1 41-D1300-0570 Circlip
    2 20-531-R30 Adaptor Tube 3in Remet
    3 33-531-R30 Top Sub 3in Remet
    Ref Part no Description
    * - Top sub assembly
    4 37-531-00V Sample tube - Venturi
    5 41-D1300-0680 Circlip
    6 29-531-000 Distributor nozzle
    7 25-531-000 Plunger
    8 22-531-000 Spring
    9 31-531-000 Inner cylinder
    10 36-531-000 Piston
    11 35-531-000 Piston case
    12 26-531-000 Drive sub bush
    13 27-531-000 Bit retaining ring
    14 40-531-3** Shroud - refer to selection table
    15 16-531-000 Drive sub
    38-531-000 Rubber parts kit (Sold separately)
    Bit Bit Diameter Shroud Shroud Diameter
    62-531-306CF 86mm
    3-3/8”
    40-531-305 84mm
    3-5/16”
    62-531-308CF 89mm
    3-1/2”
    40-531-307 87mm
    3-7/16”
    62-531-312CF 95mm
    3-3/4”
    40-531-311 93mm
    3-11/16”
    62-531-400CF 102mm
    4”
    40-531-315 100mm
    3-15/16”