Quick Change Hex Shank Spiral Flute Step Drill Bits, HSS Titanium Coated Step Drill Bit Drilling Power Tools, Step Drill Bits Metalworking & Multipurpose Drill Bits, Drillbit Step Bit, HSS Step Drill Bit 3-flat Shank Set, Spiral Flute Cobalt Step Drill Bit, Titanium Step Drill Bit, High Speed Steel Step Drill bits, Doubles Flutes Large Step Bits for Hole Drilling in Iron, Copper, Aluminum, Wood, Plastic, HSS Step Twist Drill Bits China Supplier Factory
3pc HSSM35, HSSM2 and HSS4241 TiN Coated Spiral Step Drill Bits Technical Specifications
3pcs HSS step drill bits set, there have different material, from high to mormal quality:
HSSM35,HSSM2 and HSS4241.HSS step drill bits for drilling thin metal board
Hole Sizes 4-12mm in 2mm Steps (5 steps)
Hole Sizes 4-20mm in 2mm Steps (9 steps)
Hole Sizes 4-32mm in 2mm Steps (15 steps)
Step Drill Benefits
No pilot hole required
Flatted shank
Step depth between 4.5-5.5mm
Stepless drilling in the thinnest sheets
Burr-free drilling without sheet deformation
Automatic deburring
Spiral flutes enable easier tool penetration
TiN coating extends tool life, helps to dissipate heat, reduces friction and cold welding.
Contents
1 pc 4-12 x 1mm increments
1 pc 4-20 x 2mm increments
1 pc 4-32 x 2mm increments
HSS TiN Coated Spiral Flute Step Drill Set – Metric
Step drills are designed for drilling repetitive holes in steel, stainless steel, copper, brass, aluminium, plastic, plexiglas, laminates and many other thin materials.
Manufactured from premium quality high speed steel with double fluted ground cutting edges for long service life.
1.Each bit is constructed of industrial high-speed steel with a titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel, and other types of sheet metal. 3pc Saber Metric HSS TiN Coated Spiral Flute Step Drill Bit Kit
2.The two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. With 15 step sizes, each hole made with these step bits will be precise.
3.The 1/4-inch hex shank makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools. 4-12/4-20/6-30mm HSS TiN Coated Step Drill Bits Kit In Wood Box
Product Features
1.HSS step drill bits are more expensive than other drill bits, but if you regularly drill through metal, they are a good investment since they tend to last longer.
2.No center punch is needed—the aggressive 135° and 118° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not “walk” or “wander”. Titanium High Speed Steel Wood Hole Cutter Step Cone Drill Bit 3PCS Spiral Flute Step Drill Bit Set With Wooden Box
3.Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance. 3pcs Flatted Shank HSS Step Drill Bits Set In Plastic Box
4.Hex-shank drill bits design have a hexagonal shank that provides maximum surface contact with a drill chuck on handheld power tools. This prevents the bits from slipping in the chuck during drilling. Drill bits with a hex shank insert into a standard 3-jaw drill chuck or a drill chuck specifically designed for hex shanks.
5.Perfect Step Drill Bits suitable for drill holes in various material: within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Spot Tools HSS Spiral Flute Step Drill Bit 6-36mm (3mm Steps)
Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc 6-60MM HSS4341 Step Drill Bit Spiral Flute Groove Reamer Power Tools
We accepted OEM/ODM size, logo, packing
|
Drill Size
|
|
|
1MM
|
2MM
|
3MM
|
4MM
|
5MM
|
6MM
|
7MM
|
8MM
|
9MM
|
10MM
|
11MM
|
12MM
|
13MM
|
|
STAINLESS STEEL
|
3182
|
1591
|
1061
|
795
|
636
|
530
|
455
|
398
|
354
|
318
|
289
|
265
|
245
|
|
CAST IRON
|
4773
|
2386
|
1591
|
1193
|
955
|
795
|
682
|
597
|
530
|
477
|
434
|
398
|
367
|
|
PLAIN CARBON STEEL
|
6364
|
3182
|
2121
|
1591
|
1273
|
1061
|
909
|
795
|
707
|
636
|
579
|
530
|
490
|
|
BRONZE
|
7955
|
3977
|
2652
|
1989
|
1591
|
1326
|
1136
|
994
|
884
|
795
|
723
|
663
|
612
|
|
BRASS
|
9545
|
4773
|
3182
|
2386
|
1909
|
1591
|
1364
|
1193
|
1061
|
955
|
868
|
795
|
734
|
|
COPPER
|
11136
|
5568
|
3712
|
2784
|
2227
|
1856
|
1591
|
1392
|
1237
|
1114
|
1012
|
928
|
857
|
|
ALUMINIUM
|
12727
|
6364
|
4242
|
3182
|
2545
|
2121
|
1818
|
1591
|
1414
|
1273
|
1157
|
1061
|
979
|
