| Concrete cover | For bar DIA | PCS/CTN | ||
| 15mm | 5/8" | 4-12mm | #1-#4 | 3000 |
| 20mm | 3/4" | 4-12mm | #1-#4 | 2500 |
| 25mm | 1" | 4-12mm | #1-#4 | 2000 |
| 30mm | 1 1/4" | 4-12mm | #1-#4 | 2000 |
| 35mm | 1 3/8" | 4-12mm | #1-#4 | 1000 |
| 40mm | 1 1/2" | 4-12mm | #1-#4 | 1000 |
| 50mm | 2" | 4-12mm | #1-#4 | 500 |
| 20mm | 3/4" | 6-20mm | #2-#6 | 2000 |
| 25mm | 1" | 6-20mm | #2-#6 | 2000 |
| 30mm | 1 1/4" | 6-20mm | #2-#6 | 1000 |
| 35mm | 1 3/8" | 6-20mm | #2-#6 | 1000 |
| 40mm | 1 1/2" | 6-20mm | #2-#6 | 500 |
| 45mm | 1 3/4" | 6-20mm | #2-#6 | 500 |
| 50mm | 2" | 6-20mm | #2-#6 | 500 |
| 60mm | 2 1/2" | 6-20mm | #2-#6 | 250 |
| 75mm | 3" | 6-20mm | #2-#6 | 250 |
 The most extensively used circular spacer for precast and on site concrete applications.
| Concrete cover | For bar DIA | PCS/CTN | ||
| 15mm | 5/8" | 4-12mm | #1-#4 | 3000 |
| 20mm | 3/4" | 4-12mm | #1-#4 | 2500 |
| 25mm | 1" | 4-12mm | #1-#4 | 2000 |
| 30mm | 1 1/4" | 4-12mm | #1-#4 | 2000 |
| 35mm | 1 3/8" | 4-12mm | #1-#4 | 1000 |
| 40mm | 1 1/2" | 4-12mm | #1-#4 | 1000 |
| 50mm | 2" | 4-12mm | #1-#4 | 500 |
| 20mm | 3/4" | 6-20mm | #2-#6 | 2000 |
| 25mm | 1" | 6-20mm | #2-#6 | 2000 |
| 30mm | 1 1/4" | 6-20mm | #2-#6 | 1000 |
| 35mm | 1 3/8" | 6-20mm | #2-#6 | 1000 |
| 40mm | 1 1/2" | 6-20mm | #2-#6 | 500 |
| 45mm | 1 3/4" | 6-20mm | #2-#6 | 500 |
| 50mm | 2" | 6-20mm | #2-#6 | 500 |
| 60mm | 2 1/2" | 6-20mm | #2-#6 | 250 |
| 75mm | 3" | 6-20mm | #2-#6 | 250 |
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1/2 Reduced Shank Drill Bit Use:Metal Drilling,ApplicationCutting
Drills expand the size range capacity of a portable drill chuck, common flute and overall length for minimal adjustment during tool changes
High speed steel material
Black oxide finish
118° conventional point
3 in. flute length and 6 in. overall length
1/2 Reduced Shank Drill Bit- Drill Bits For Metal Product application and advantages
1. High-speed steel tools are good for most general purpose applications, offering a combination of hall and toughness for wear resistance
2. Universal 118"point shape for drilling a wide selection of materials
3. Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and pert
4. Ground flutes provide fast chip removal to maximize accuracy and efficiency along the full working suit the bit
Reduced Shank Drill Bits expand the size range of a 1/2"-capacity drill chuck, all having an overall length of 6" and a flute length of 3", thus minimizing adjustment during tool changes.
1/2 Reduced Shank Drill Bit,Hss Reduced Shank Twist Drill Bit,Reduced Shank Hss Drill Bit,Reduced Shank Pilot Point Drill Bit
Changzhou Bomitools Co.,Ltd. , https://www.bomitools.com