Automatic Center Punch 50 Sizes in 6PCS Titanium Nitride Coated Steel Step Drill Bit Set with for Metal Drilling Making Holes
Quick Details
Warranty: N/A
Customized support: OEM
Place of Origin: China
Type: Center Drill Bit
Use: Metal Drilling, Making Holes
Working Length (mm): 30mm
Finish: Titanium plating
Material: 4241
Product name: Step Drill Bit Set
Usage: Drilling Holes Drill Bit
Application: Drilling Holes
Size: Size Table
Shank: Round Shank
Packing: Aluminum Case
Name: Metal Hole Opener
Advantage: High-efficiency
| Name | Step drill 5PC+center punch |
| Material | High-speed steel 4241 |
| Size | Step drill 3/16-1/2”(3/16, 1/4, 5/16, 3/8, 7/16, 1/2)
Step drill 1/8-1/2” (1/8,5/32.7/32.1/4,9/32,5/16,11/32,3/8,13/32,7/16,15/ 32,1/2mm)
Step drill 1/4-3/4” (1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4)
Step drill 3/16-7/8” (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/ 4, 13/16, 7/8)
Step drill 1/4-1-3/8” (1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/ 4,1-3/8) |
| Box size | about 16*17*4CM |
| Weight | 600g |
| Box Size | 58*25*24cm, 40 sets/box |
product information:
PC step drill straight flute aluminum box with center punch 3015 (1)
5PC step drill straight flute aluminum box with center punch 3235
Shank triangle round shank
Material High-speed steel 4241: suitable for workpieces below 25°, such as carbon steel, iron plate, steel plate)
- 1. Drills holes of various sizes without changing bits.
- 2. Minimal shocks and almost impossible to snap compared to conventional bits.
- 3. Smooth hole edges, perfect to drill holes for HVAC jobs.
- 4. Smoother and rounder holes.
- 5. Prevents metal scurf from flying around for improved safety.
Convenient & Accurate
Laser-engraved reference marks on each bit offer superb convenience and accuracy, ideal for drilling large and small-diameter holes in metal and plastic. For high-efficient drilling,thickness of sheet metal shall be less than that of each step.
Universal Compatibility
Compatible with 1/4,3/8,1/2electric drills or bench drills, but only work for Metal plate aluminum or plastic.
Sleek & Accurate Drilling
x-type openings design to facilitate the removal of cutting waste when drilling,preventing iron chips or sawdust scattering and ensuring sleek&accurate drilling.
