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Home --> Power tools accessory >masonry drill bits  > masonry drill bits, milled

Made of high carbon steel, masonry drill bits are tipped with industrial grade carbide and are milled slow spiral for debris removal. Each bits are hardened for extra strength and percussion drills. variety of coatings below are available.

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Masonry Drill Bits, Milled
( Flute Type A )


* Made of high carbon steel with   industrial grade carbide tip for long life and efficient drilling.
* Milled slow spiral for quick, easy debris removal.
* Hardened core for extra strength and reduced breakage.
* For use with percussion drills.
* For drilling in masonry, concrete, rock, artificial stone, and breeze blocks.
* Surface treatment are available:  Galvanized finish, Nickel Plated, Chrome coated, Black finish,
Sandblasted finish. 
  
* From 11mm or 7/16" use reduced shank.
* Drill set are available.

Size are available ( Metric size DIN 8039 ):

Item No. 
Dia. Inch
Item No.
Dia. X OAL
MDB1001
1/8" x 2-3/8"
MDB1101
3 x 60mm
MDB1002
9/64" x 3"
MDB1102
4 x 75mm
MDB1003
5/32" x 3"
MDB1103
5 x 85mm
MDB1004
11/64" x 3-3/8"
MDB1104
5 x 150mm
MDB1005
3/16" x 3-3/8"
MDB1105
5.5 x 85mm
MDB1006
3/16" x 6"
MDB1106
6 x 100mm
MDB1007
13/64" x 3-3/8"
MDB1107
6 x 150mm
MDB1008
7/32" x 3-3/8"
MDB1108
6.5 x 100mm
MDB1009
15/64" x 4"
MDB1109
7 x 100mm
MDB1010
1/4" x 4"
MDB1110
8 x 120mm
MDB1011
1/4" x 6"
MDB1111
8 x 150mm
MDB1012
9/32" x 4"
MDB1112
9 x 120mm
MDB1013
5/16" x 4-3/4"
MDB1113
10 x 120mm
MDB1014
5/16" x 6"
MDB1114
10 x 150mm
MDB1015
11/32" x 4-3/4"
MDB1115
11 x 150mm
MDB1016
3/8" x 4-3/4"
MDB1116
12 x 150mm
MDB1017
3/8" x 6"
MDB1117
13 x 150mm
MDB1018
13/32" x 6"
MDB1118
14 x 150mm
MDB1019
7/16" x 6"
MDB1119
15 x 150mm
MDB1020
15/32" x 6"
MDB1120
16 x 160mm
MDB1021
1/2" x 6"
MDB1121
17 x 160mm
MDB1022
9/16" x 6-5/16"
MDB1122
18 x 160mm
MDB1023
5/8" x 6-5/16"
MDB1123
19 x 160mm
MDB1024
11/16" x 6-5/16"
MDB1124
20 x 160mm
MDB1025
3/4" x 6-5/16"
MDB1125
21 x 160mm
MDB1026
13/16" x 6-5/16"
MDB1126
22 x 160mm
MDB1027
7/8" x 6-5/16"
MDB1127
23 x 160mm
MDB1028
15/16" x 6-5/16"
MDB1128
24 x 160mm
MDB1029
1" x 6-5/16"
MDB1129
25 x 160mm
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                               Letterman United Corp. Taiwan     No. 177, Wun-Ya St. Wu-Chi , Taichung 435, Taiwan.

                                TEL : 886-4-26567334  FAX : 886-4-26567342   E-mail : letterman888@seed.net.tw or letterman999@gmail.com

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