products

DONGHAI, recognized by the world
DH-628Bi-metal Hole SawBI-METAL HOLESAW
Material
  • High Speed Steel
Using tools
  • Rotary hand drills
  • Drill presses
  • Magnetic drill presses
  • Various machine tools
Properties
  • Possible for multipurpose use such as wood and nonferrous metals as well as metals because the products are manufactured for metals different from products of other companies
  • Possible for amateurs to drill different from carbide hole saws
  • Effective for work like steel pipes, angles, and stainless steel pipes which are not easy with carbide hole saws
Cautions
  • Do not apply force compulsorily.
  • As the size is bigger, the product must be used at low speed.
  • If cutting oil is used in consecutive work, it is effective.
  • Match the eccentricity well. (Correct concentricity)
Use and materials
  • Steel pipes (possible to drill 4㎜∼6㎜), deck plates, power distribution boards, control panels, stainless steel pipes, angles, aluminum and zinc plates, C-shape steel, H-shape beams
Reasonable RPM
Working Picture

Photo of deck plate work (site of Hyundai Engineering & Construction)

Hole Saw Kits

DHM05 (36PC SET)

Entrance sizes : 13㎜, 14㎜, 17㎜, 20㎜, 22㎜, 25㎜, 28㎜, 30㎜, 32㎜, 35㎜, 36㎜, 38㎜, 40㎜, 42㎜, 45㎜, 48㎜, 50㎜, 53㎜, 54㎜, 55㎜, 60㎜, 65㎜, 68㎜, 70㎜, 73㎜, 75㎜, 80㎜, 85㎜, 90㎜, 100㎜, 105㎜, 115㎜, 120㎜, 125㎜, 140㎜, 150㎜

DHU09 (9PC SET)

Entrance sizes : 22㎜, 25㎜, 28㎜, 30㎜, 32㎜, 35㎜, 45㎜, 50㎜, 65㎜, 5PC of pilot drills, Hex key wrenches

Product code Diameter
628-013 Φ13
628-014 Φ14
628-015 Φ15
628-016 Φ16
628-017 Φ17
628-018 Φ18
628-019 Φ19
628-020 Φ20
628-021 Φ21
628-022 Φ22
628-023 Φ23
628-024 Φ24
628-025 Φ25
628-026 Φ26
628-027 Φ27
628-028 Φ28
628-029 Φ29
628-030 Φ30
628-031 Φ31
628-032 Φ32
628-033 Φ33
628-034 Φ34
628-035 Φ35
628-036 Φ36
628-037 Φ37
628-038 Φ38
628-039 Φ39
628-040 Φ40
628-041 Φ41
628-042 Φ42
628-043 Φ43
628-044 Φ44
628-045 Φ45
628-046 Φ46
628-047 Φ47
628-048 Φ48
628-049 Φ49
628-050 Φ50
Product code Diameter
628-051 Φ51
628-052 Φ52
628-053 Φ53
628-054 Φ54
628-055 Φ55
628-056 Φ56
628-057 Φ57
628-058 Φ58
628-059 Φ59
628-060 Φ60
628-061 Φ61
628-062 Φ62
628-063 Φ63
628-064 Φ64
628-065 Φ65
628-066 Φ66
628-067 Φ67
628-068 Φ68
628-069 Φ69
628-070 Φ70
628-071 Φ71
628-072 Φ72
628-073 Φ73
628-074 Φ74
628-075 Φ75
628-076 Φ76
628-077 Φ77
628-078 Φ78
628-079 Φ79
628-080 Φ80
628-081 Φ81
628-082 Φ82
628-083 Φ83
628-084 Φ84
628-085 Φ85
628-086 Φ86
628-087 Φ87
628-088 Φ88
Product code Diameter
628-089 Φ89
628-090 Φ90
628-091 Φ91
628-092 Φ92
628-093 Φ93
628-094 Φ94
628-095 Φ95
628-096 Φ96
628-097 Φ97
628-098 Φ98
628-099 Φ99
628-100 Φ100
628-102 Φ102
628-105 Φ105
628-110 Φ110
628-114 Φ114
628-115 Φ115
628-120 Φ120
628-121 Φ121
628-125 Φ125
628-127 Φ127
628-130 Φ130
628-135 Φ135
628-140 Φ140
628-145 Φ145
628-150 Φ150
628-152 Φ152
628-155 Φ155
628-160 Φ160
628-165 Φ165
628-170 Φ170
628-175 Φ175
628-180 Φ180
628-185 Φ185
628-190 Φ190
628-195 Φ195
628-200 Φ200
628-210 Φ210
  • Possible for customization about other sizes