


HIDOTOL Cobalt Twist Drill Bit Set 13Pcs
Material: HSS M35 (Cobalt 5%)
Process: Fully Ground
Split Point: 135 Degree
Finish Type: Gold Oxide
Flute Type: Spiral
Size Includes:
1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4".
HSS M35 Cobalt(5%): increases drill bit's heat and wear resistance, particularly successful in cutting through hard metals, such as stainless steel, cast iron, high temperature alloy, titanium alloy.

High Speed Steel M35 (Cobalt 5%) with high strength, hardness and durability, which is extended tool life.

135°split point with round straight shank, self-centering prevent walking, make drilling precise and faster.

2 Flutes Form twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance.

A drill bits holder with size index is included in the set for easy storage and organizing.
![]() HIDOTOL Cobalt Twist Drill Bit Set 115Pcs | ![]() HIDOTOL Cobalt Twist Drill Bit Set 29Pcs | ![]() HIDOTOL Titanium Drill Tap Bit Set 13Pcs | ![]() HIDOTOL Tungsten Carbide Burr Set 10Pcs | ![]() HIDOTOL Cobalt Twist Drill Bit Set 15Pcs | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — no data | — | — | — |
| Product Material | M35 Cobalt 5% | M35 Cobalt 5% | Titanium-Coated HSS | Heat-treated Tungsten Carbide | M35 Cobalt 5% |
| Quantity | 115PC | 29PC | 13PC | 10PC | 15PC |
| Size | 29pcs fractional size 1/16”-1/2” by 1/64" Increments, 26pcs letter sizes A to Z, 60pcs numbered wire gauges #1 to #60. | 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2". | 6-32nc, 8-32nc, 10-24nc, 10-32nc, 12-24nc, 1/4-20nc, M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5, 1 Quick change adapter | SA-1, SA-3, SC-1, SC-3, SL-1, SL-3, SF-3, SE-3, SH-1, SD-2 | 1/16" 2pcs, 5/64" 2pcs, 3/32" 2pcs, 7/64" 1pc, 1/8" 1pc, 9/64" 1pc, 5/32" 1pc, 11/64" 1pc, 3/16" 1pc,1/4" 1pc, 5/16" 1pc, 3/8" 1pc. |
| Application | Harden Metals such as Stainless Steel, Cast Iron, High Temperature Alloy, Titanium Alloy, Hard Plastics, Wood and Other Soft Materials | Harden Metals such as Stainless Steel, Cast Iron, High Temperature Alloy, Titanium Alloy, Hard Plastics, Wood and Other Soft Materials | Aluminum, Wood, Plastic, Iron, Copper, Sheet Metal<3 mm | Metal or Glass carving, Model engineering or Wood carving, Jewelry making, Welding, Casting, Deburring and Grinding. | Harden Metals such as Stainless Steel, Cast Iron, High Temperature Alloy, Titanium Alloy, Hard Plastics, Wood and Other Soft Materials |



HIDOTOL Cobalt Twist Drill Bit Set 13Pcs
Material: HSS M35 (Cobalt 5%)
Process: Fully Ground
Split Point: 135 Degree
Finish Type: Gold Oxide
Flute Type: Spiral
Size Includes:
1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4".
HSS M35 Cobalt(5%): increases drill bit's heat and wear resistance, particularly successful in cutting through hard metals, such as stainless steel, cast iron, high temperature alloy, titanium alloy.

High Speed Steel M35 (Cobalt 5%) with high strength, hardness and durability, which is extended tool life.

135°split point with round straight shank, self-centering prevent walking, make drilling precise and faster.

2 Flutes Form twist design helps clear particles faster, decreases friction and heat for a cooler drilling performance.

A drill bits holder with size index is included in the set for easy storage and organizing.
![]() HIDOTOL Cobalt Twist Drill Bit Set 115Pcs | ![]() HIDOTOL Cobalt Twist Drill Bit Set 29Pcs | ![]() HIDOTOL Titanium Drill Tap Bit Set 13Pcs | ![]() HIDOTOL Tungsten Carbide Burr Set 10Pcs | ![]() HIDOTOL Cobalt Twist Drill Bit Set 15Pcs | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — no data | — | — | — |
| Product Material | M35 Cobalt 5% | M35 Cobalt 5% | Titanium-Coated HSS | Heat-treated Tungsten Carbide | M35 Cobalt 5% |
| Quantity | 115PC | 29PC | 13PC | 10PC | 15PC |
| Size | 29pcs fractional size 1/16”-1/2” by 1/64" Increments, 26pcs letter sizes A to Z, 60pcs numbered wire gauges #1 to #60. | 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2". | 6-32nc, 8-32nc, 10-24nc, 10-32nc, 12-24nc, 1/4-20nc, M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5, 1 Quick change adapter | SA-1, SA-3, SC-1, SC-3, SL-1, SL-3, SF-3, SE-3, SH-1, SD-2 | 1/16" 2pcs, 5/64" 2pcs, 3/32" 2pcs, 7/64" 1pc, 1/8" 1pc, 9/64" 1pc, 5/32" 1pc, 11/64" 1pc, 3/16" 1pc,1/4" 1pc, 5/16" 1pc, 3/8" 1pc. |
| Application | Harden Metals such as Stainless Steel, Cast Iron, High Temperature Alloy, Titanium Alloy, Hard Plastics, Wood and Other Soft Materials | Harden Metals such as Stainless Steel, Cast Iron, High Temperature Alloy, Titanium Alloy, Hard Plastics, Wood and Other Soft Materials | Aluminum, Wood, Plastic, Iron, Copper, Sheet Metal<3 mm | Metal or Glass carving, Model engineering or Wood carving, Jewelry making, Welding, Casting, Deburring and Grinding. | Harden Metals such as Stainless Steel, Cast Iron, High Temperature Alloy, Titanium Alloy, Hard Plastics, Wood and Other Soft Materials |

























