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Roll-forged Masonry drill bits

  1. Description:　Masonry drill bit, roll forged， Zinc plated/ Nickel plated

  2. Usage:　for drilling brick, stone, slate, marble, cement, concrete, asphalt, plaster and wallboard.

  3. Material: Tungsten carbide tip
WD20040
  1. 4PCS MASONRY DRILL BIT SET
  2. Spec.:3/16",1/4",5/16",3/8"
  3. Finish: Zinc plated
  4. Packing: Double blister
WD20060
  1. 6PCS MASONRY DRILL BIT SET
  2. Spec.:3,4,5,6,7,8mm
  3. Finish: Zinc plated
  4. Packing: Plastic box packing

Milled Masonry drill bits

  1. Description: Masonry drill bit, milled， sand blast/ black & white/ chrome plated surface

  2. Usage: for drilling brick, stone, slate, marble , cement, concrete, asphalt, plaster and wallboard.

  3. Material: Tungsten carbide tip
WD20050

  1. 5pcs MASONRY DRILL BIT SET

  2. Spec.:4,5,6,8,10mm

  3. Finish: Black & White

  4. Packing: Plastic box packing

WD20070

  1. 7pcs MASONRY DRILL BIT SET

  2. Spec.:3,4,5,6,6,8,10mm

  3. Finish: Black & White

  4. Packing: Plastic box packing

Metric dimension
Dia(mm) Working length(mm) Overall length(mm)
3 30 60
4 40 75
5 50 85
6 60 100
7 60 100
8 70 120
9 70 120
10 70 120
11 80 150
12 80 150
13 80 150
14 100 150
15 100 150
16 100 160
17 100 160
18 100 160
19 100 160
20 100 160
21 100 160
22 100 160
23 100 160
24 100 160
25 100 160
26 100 160
Inch dimension
Dia(inch) Working length(inch) Overall length(inch)
1/8 1-1/2 3
5/32 1-1/2 3
3/16 2-1/8 4
3/16 4 6
1/4 2 4
1/4 4 6
5/16 2 4
5/16 4 6
3/8 2 4
3/8 4 6
7/16 2 4
7/16 4 6
1/2 2 4
1/2 4 6
9/16 4 6
5/8 2 4
5/8 4 6
11/16 4 6
3/4 4 6
7/8 4 6
1 4 6