Feature

●✅【M35 Cobalt Superhard High Speed Steel】: ISI M35/1.3243/SKH55/M35 steel is a kind of high speed steel containing cobalt, which has the characteristics of high wear resistance, high pressure resistance and sintering resistance.
●✅【100 extra-long warranty period】：if you have any questions about the product, please contact us and we will answer you within 12 hours. If the hexagonal handle breaks, refund or replace for 100% .
●✅【M35 step drill compatibility 】： step drills can quickly and smoothly drill holes of different diameters, such as stainless steel, aluminum, wood, plastic board (the board must be thinner than the height of the step drill)
●✅【M35 four spiral groove】: step drill four cutting blade design. Faster, smoother cutting and easier separation of sawdust.
●✅【Common sizes】: drill bits contain sizes from 1/4” to 1-3/8. Common sizes 7/8”, 1-2/16”, 1-3/8, minimum size 1/4, maximum size 1-3/8, total 19 sizes
●✅【M35 high speed steel with cobalt】: high hardness (HRC67-70) , high red hardness (625 ° C, 4H, HRC63-65) , wear resistance, toughness and bending strength are not lower than ordinary high speed steel, M35 high speed steel is characterized by general cutting with CO, quenching hardness is 1200-1240c.

[HSS 3PCS Gold]




[1  & 4   - 3  & 4   Black]




[HSS 5PCS Gold]




[1  & 8   - 7  & 8   (3 PCS SET) Black]




[3  & 16   - 7  & 8   Black]




[1  & 4   - 1-3  & 8   Black]




[1  & 8   - 1  & 2   Black]





Description

M35 Four Spiral Flute Step Drill Bit Set1/4" - 1-3/8".

Step Drill Bit Set Step Drill Bit Set
M35 Four Spiral Flute Step Drill Bit SetM35 Four Spiral Flute Step Drill Bit Set
M35 Four Spiral Flute Step Drill Bit SetM35 Four Spiral Flute Step Drill Bit Set
M35 Four Spiral Flute Step Drill Bit SetM35 Four Spiral Flute Step Drill Bit Set
M35 Four Spiral Flute Step Drill Bit SetM35 Four Spiral Flute Step Drill Bit Set
Countersunk Bit Set for Metal Hss Titanium Step Drill Bit 5pcs Countersunk Bit Set for Metal Hss Titanium Step Drill Bit
Countersunk Bit Set for Metal 5pcs Hss Titanium Step Drill Bit 5pcs Countersunk Bit Set for Metal 5pcs Hss Titanium Step Drill Bit 3pcs
MATERIAL M2 high speed steel 4241 high speed steel M2 high speed steel 4241 high speed steel
VERSATILITY Comes in 5 most popular sizes bits 1/4, 3/8, 1/2, 5/8, 3/4 inch counter sink drill bits HSS 50 size , includes five standard step drills with center punch Comes in 5 most popular sizes bits 1/4, 3/8, 1/2, 5/8, 3/4 inch counter sink drill bits Hss 30+ Sizes,Drilling Sizes Include: 13 Step Drill Bits
PRECISION 82-degree tip drills countersink holes into most machinable metals, plywood, softwood, hardwood, fiberglass plastic, mild steel, dont work on stainless. Automatic Center Punch,The center punch delivers an automatic,high-impact,spring-loaded strike through adjusting the cap 82-degree tip drills countersink holes into most machinable metals, plywood, softwood, hardwood, fiberglass plastic, mild steel, dont work on stainless. 118-degree tip drills countersink holes into most machinable metals, plywood, softwood, hardwood, fiberglass plastic, mild steel, dont work on stainless.
COMPATIBILITY 1/4” hexagonal shank for all hand-held and fixed drill bits.” round shank fits all handheld and stationary drills. 1/4” hexagonal shank for all hand-held and fixed drill bits.” 1/4” hexagonal shank for all hand-held and fixed drill bits.”
DURABILITY Made from High-Speed Steel with golden oxide finish for corrosion resistance. Durable titanium coated drill,Coated by titanium, this step drill set performs well in heat, Made from High-Speed Steel with golden oxide finish for corrosion resistance. Durable titanium coated drill,Coated by titanium, this step drill set performs well in heat,
100-day shelf life ✓ ✓ ✓ ✓

Whats in the box

  • 1