Donglim’s reming bits are in as structure in which the casing is inserted simultaneously with boring in the foundation work of collapsing ground and construction site, are made of excellent materials and have a smooth sludge emission structure, which allows stable work.
We can supply products according to the casing standard of construction sites.



Model No. of Wings Bit Diameter (mm) Casing Size (mm) Applicable Hammer
Expanded Retracted I.D. O.D.
DLREB 90 2 125 91 102.0 114.3 DHD3.5
DLREB 105 2 140 103 108.0 130.1
DLREB 115 2 154 113 118.6 139.8 DHD340, SD4, QL40
DLREB 130 2 163 121 124.0 152.5
DLREB 165 3 216 166 168.3 195.0 DHD360, SD6, QL60
DLREB 190 3 234 179 194.0 219.1
DLREB 235 3 285 232 251.8 267.4 DHD380, SD8, QL80
DLREB 280 3 345 279 294.0 323.9 SD10, N100
DLREB 310 3 375 309 325.0 355.6 DHD112, SD12
DLREB 355 3 425 354 376.0 406.4
DLREB 410 3 478 412 435.0 457.2 SD15, N125
DLREB 460 3 530 459 482.6 508.0 SD18, N180
DLREB 510 3 580 509 533.4 558.8
DLREB 560 3 630 559 584.2 609.6
DLREB 600 3 685 600 631.8 660.4 N240
DLREB 650 3 737 650 679.2 711.2
DLREB 695 4 789 695 730.0 762.0
DLREB 745 4 842 744 780.8 812.8
DLREB 800 4 885 802 838.2 863.6


※Special size is available upon request / Specifications are subject to change without notice