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  Hammer Drill Bits 

Guide to Masonry Drill Bits

Drill bits for drilling masonry, (brick and concrete) can be identified and distinguished from other drill bits by the blunt wide blade on the tip.

There are many different designs of masonry drill and you usually get what you pay for.

One of the best is the tongyu masonry drill bits. This ingenious design enables you to drill masonry with a conventional drill - not a hammer drill.

Tongyu masonry bits are usually sold in builders merchants and specialist tool shops
　
MASONRY DRILL PHOTOES:
TY-M001

　

 Masonry Drill Bits, Rolled, Zine Plated.
TY-M002

　

 Masonry Drill Bits, Rolled, Black & White Finish
TY-M003

　

 Long Type Masonry Drill Bits, Milled, Zine Plated
TY-M004

　

 Masonry Drill Bits, Milled,Round Flutes,Chrome Plated (R Type FLutes)
TY-M005

　

 Masonry Drill Bits, Milled, Square Flutes,Chrome Plated.(U Type Flutes)
TY-M006
Masonry Drill Bits, Milled, Diagonal Flutes,Sand Finished (L Type Flutes)
TY-M007
Masonry Drill Bits, Milled,Double Flutes,Sand Finished
TY-M008

　

 Long Type High Quality Masonry Drill Bits, Milled, Square Flutes,Chrome Plated
TY-M009

　

 Masonry Drill bits,Milled Black & White Finish(L Type Flutes,R Type flutes,U Type Flutes,etc. are available)
TY-M010
Masonry Drills, Milled,Square Flutes,White & Copper Plated(L Type Flutes,R Type flutes,U Type flutes,etc. are availalble)
TY-M011
High Helix Masonry Drill Bit,Milled,Chrome Plated
  MASONRY DRILL BITS  SPECIFICATION:
     Diameter Flute Overall Flute Overall Flute Overall Flute Overall Flute Overall Flute Overall
SIZE SIZE Length Length Length Length Length Length Length Length Length Length Length Length
mm Inch mm mm mm mm mm mm mm mm mm mm mm mm
3   1/8 30 60 　 　 　 　 　 　 　 　 　 　
4   5/32 40 75 　 　 　 　 　 　 　 　 　 　
5   3/16 50 85 85 150 　 　 　 　 　 　 　 　
6  15/64 60 100 85 150 135 200 200 300 300 400 450 600
6.5   1/4 60 100 85 150 135 200 200 300 300 400 450 600
7   9/32 60 100 85 150 135 200 200 300 300 400 450 600
8   5/16 80 120 85 150 135 200 200 300 300 400 450 600
9  11/32 80 120 85 150 135 200 200 300 300 400 450 600
10   3/8 80 120 85 150 135 200 200 300 300 400 450 600
11   7/16 85 150 　 　 135 200 200 300 300 400 450 600
12  15/32 85 150 　 　 135 200 200 300 300 400 450 600
13   1/2 95 150 　 　 135 200 200 300 300 400 450 600
14   9/16 95 150 　 　 135 200 200 300 300 400 450 600
15  19/32 95 150 　 　 135 200 200 300 300 400 450 600
16   5/8 95 150 　 　 135 200 200 300 300 400 450 600
17  11/16 95 150 　 　 135 200 200 300 300 400 450 600
18  11/16 105 160 　 　 135 200 200 300 300 400 450 600
19   3/4 105 160 　 　 135 200 200 300 300 400 450 600
20  25/32 105 160 　 　 135 200 200 300 300 400 450 600
22   7/8 105 160 　 　 135 200 200 300 300 400 450 600
24  15/16 105 160 　 　 135 200 200 300 300 400 450 600
25 1      105 160 　 　 135 200 200 300 300 400 450 600
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