GSTK
GSTK Upgrade Heavy Duty Carbide Hole Saw 14 Pcs,Metal Steel Hole Saw
Disclosure: We may earn a commission when you buy through links on this page, at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Learn more
Highlights
- 12 of sizes to meet your different needs: Carbide Hole Saw Kit includes 14mm(9/16”), 16mm(5/8”), 19mm(3/4”), 22mm(7/8”), 25.5mm(1”), 29mm(1-1/8”), 32mm(1-1/4”), 35mm(1-3/8”), 45mm(1-3/4”), 51mm(2”), 54mm(2-1/8”)&2*Extra Titanium Plated Pilot Center Drill and 2*L-Wrench
- Our hole saw kit is made of high quality TCT Carbide(AlI Natural Tungsten Carbide Tipped Cutters), ensures its high hardness, rust proof and heavy duty. And the center drill adopts with high accuracy, it’s hard to break.
- Tipped tooth blade,faster cutting experience. Double round circles to remove metal filings easily and efficient cooling. Eligible for rechargeable drill,portable hand drill,bench drill,eletric drill and etc.
- Ideal for stainless steel, metal, iron, and plastic, aluminum, FRP, etc. so on. (test for your reference: it apposite to cut a hole on 3mm stainless steel,15mm iron plate,15mm aluminum alloy.)
- For safety purposes, remember to add coolant during continuous high-speed drilling, and please wear protective goggles and gloves when using our hole saw set.
Why You'll Love It
- Tungsten carbide tipped cutters deliver fast cutting and resist rust on tough materials
- Kit covers twelve hole diameters from 14mm to 54mm for varied drilling tasks
- Double round circle design clears metal filings quickly and aids in cooling
- Includes two extra titanium plated center drills and two L-wrenches for maintenance
- Works across bench drills, electric drills, rechargeable drills, and portable hand drills
- Cuts through stainless steel up to 3mm and aluminum or iron up to 15mm
Pros
- +Tungsten carbide tipped cutting teeth
- +Includes 12 distinct hole diameters
- +Supplied with two spare titanium pilot bits
- +Double circle design clears metal chips quickly
- +Compatible with hand, bench, and rechargeable drills
Cons
- -Requires adding coolant during continuous high-speed work
- -Limited to 3mm thickness on stainless steel
Detailed Review
The GSTK 14-Piece Carbide Hole Saw Kit is a dedicated metal-cutting set designed for users who need clean, reliable holes in hard materials. Built around tungsten carbide tipped (TCT) cutters, this set handles dense metals and composites that quickly dull standard bi-metal bits. It offers a practical range of cutting diameters alongside replacement hardware for ongoing drilling projects.
The cutting heads feature tipped tooth blades combined with a double round circle design that expels metal shavings efficiently to help reduce heat buildup. With twelve sizes ranging from 14mm (9/16 inch) up to 54mm (2-1/8 inches), you have broad coverage for plumbing, electrical, and fabrication work. The package includes two titanium-plated pilot center drills designed for high accuracy and break resistance, along with two L-wrenches to manage adjustments.
Versatility is a core strength, as these hole saws mount easily into electric drills, portable hand drills, rechargeable drills, and bench drills. Material capability is broad: the cutters handle stainless steel up to 3mm thick, as well as 15mm iron plate, 15mm aluminum alloy, plastic, and FRP. This makes the kit suitable for structural metal jobs as well as softer synthetic materials.
Because carbide tools generate significant friction on tough metals, the manufacturer notes that you must apply coolant during continuous high-speed drilling to protect the cutters. You will also need to supply your own protective gear, including goggles and gloves, to manage hot chips and debris during operation.
Verdict: This set provides an extensive size range and durable carbide construction for drilling through stainless steel, sheet metal, and composites. It is a solid choice for metalworkers, mechanics, and fabricators who want reliable cutting performance across bench and handheld drills.
Specifications
- Total Piece Count: 14 pieces
- Cutter Material: TCT Carbide (Tungsten Carbide Tipped)
- Included Hole Saw Sizes: 14mm (9/16"), 16mm (5/8"), 19mm (3/4"), 22mm (7/8"), 25.5mm (1"), 29mm (1-1/8"), 32mm (1-1/4"), 35mm (1-3/8"), 45mm (1-3/4"), 51mm (2"), 54mm (2-1/8")
- Accessories Included: 2 titanium plated pilot center drills, 2 L-wrenches
- Compatible Drill Types: Rechargeable drills, portable hand drills, bench drills, electric drills
- Tested Material Limits: 3mm stainless steel, 15mm iron plate, 15mm aluminum alloy
Who Should Buy It
A great fit if you:
- Need to cut clean holes in stainless steel up to 3mm thick or iron and aluminum up to 15mm thick.
- Want a comprehensive set of 12 distinct hole diameters ranging from 14mm to 54mm.
- Use multiple tools such as handheld electric drills, rechargeable drills, or bench presses.
- Value having spare titanium-plated pilot drill bits and wrenches included in the box.
Consider something else if you:
- Need to bore through stainless steel plates thicker than 3mm.
- Prefer dry-drilling at continuous high speeds without supplying cutting coolant.
FAQ
What materials can this hole saw set cut?
It is designed for stainless steel, iron, aluminum, general metals, plastic, and FRP.
What are the cutting depth limits for hard metals?
The manufacturer tests indicate it can cut holes through up to 3mm stainless steel, 15mm iron plate, and 15mm aluminum alloy.
What drills are compatible with these hole saws?
You can use them with rechargeable drills, portable hand drills, electric drills, and bench drills.
What extra accessories come in the box?
The kit includes two extra titanium-plated pilot center drills and two L-wrenches alongside the cutting heads.
Photos
Product Specs
| Specification | Details |
|---|---|
| Brand Name | GSTK |
| Model | GSTK-HJK-TZ-1 |
| Unit Count | 14 Count |
| Number of Packs | 1 |
| Number of Items | 12 |
| Set Name | 12-piece aluminum box set |
| Manufacturer | GSTK |
| Part Number | GSTK-HJK-TZ-1 |
| Best Sellers Rank | #21,740 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #35 in Hole Saws |
| ASIN | B0B7RQ48JX |
| Customer Reviews | 4.4 4.4 out of 5 stars (569) 4.4 out of 5 stars |
| Item Weight | 2.16 kg |
| Color | Silver |
| Style Name | Compact |
| Material Type | Stainless Steel, Tungsten Carbide |
| Number of Teeth | 14 |
| Compatible Devices | Rechargeable drill, Portable hand drill, Bench drill, Electric drill |
| Compatible Material | Alloy Steel, Aluminum, Brass, Copper, Fiberglass, Iron, Metal, Plastic, Stainless Steel, Stone |
| Material | Stainless Steel, Tungsten Carbide |
| Brand | GSTK |
| Style | Compact |
