3pcs HSS Step Drills 1/4 Inch Hex Shank Titanium Coated Step Drill Bit Set
Tax included.
Description:
3pcs HSS Step Drills 1/4 Inch Hex Shank Titanium Coated Step Drill Bit Set
New high-quality three-piece HSS step drill
A drill bit can replace the multi-branched
Universal Little Helper
Specification:
Material: High Speed Steel 4241 ( Used for the hardness of the material which is below 25°, like iron borad, steel board, PVC board, Insulation board, etc.)
Surface: Titanium Plated
Type: Straight Flute/ Spiral Groove
Handle: Hexagon Shank 1/4 Inch
Scop: thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber.
Suitable for :
Products for automotive processing, aerospace, sheet metal processing, installation and maintenance of electrical and other industries, high-altitude operations with hand drills and other tools.
Feature:
1, The unique step structure, a variety of standard size drill carve aperture, a box arrived on a ladder drill bit.
2, Without the use of center punch, easy to break, a step drill specifications apply.
3, Deburring, chamfering, expanding the oval hole
4, Small sway, without leading to use a center punch can carve out a nice aperture.
Package included:
1x 3/16-1/2 Step Drill
1x 1/8-1/2 Step Drill
1x 1/4-3/4 Step Drill
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3pcs HSS Step Drills 1/4 Inch Hex Shank Titanium Coated Step Drill Bit Set
New high-quality three-piece HSS step drill
A drill bit can replace the multi-branched
Universal Little Helper
Specification:
Material: High Speed Steel 4241 ( Used for the hardness of the material which is below 25°, like iron borad, steel board, PVC board, Insulation board, etc.)
Surface: Titanium Plated
Type: Straight Flute/ Spiral Groove
Handle: Hexagon Shank 1/4 Inch
Scop: thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber.
| Size | Drilling Range(Φ inch) | Hole | Height(mm) {Straight Flute} |
Height(mm) {Spiral Groove} |
Height of Shank (MM) | Shank Diameter(Φ inch) |
| 3/16-1/2 | 3/16,1/4,5/16,3/8,7/16,1/2 | 6 | 88 | 87 | 24 | 1/4 |
| 1/8-1/2 | 1/8,5/32,7/32,1/4,9/32,5/16,11/32,3/8,13/32,7/16,15/32,1/2 | 12 | 75 | 75 | ||
| 1/4-3/4 | 1/4,5/16,3/8,7/16,1/2,9/16,5/8,11/16,3/4 | 9 | 73 | 72 |
Suitable for :
Products for automotive processing, aerospace, sheet metal processing, installation and maintenance of electrical and other industries, high-altitude operations with hand drills and other tools.
Feature:
1, The unique step structure, a variety of standard size drill carve aperture, a box arrived on a ladder drill bit.
2, Without the use of center punch, easy to break, a step drill specifications apply.
3, Deburring, chamfering, expanding the oval hole
4, Small sway, without leading to use a center punch can carve out a nice aperture.
Package included:
1x 3/16-1/2 Step Drill
1x 1/8-1/2 Step Drill
1x 1/4-3/4 Step Drill