flintronic 3Pcs Spiral Grooved Step Drill Bit Set with 1 Automatic Center Punch, 4mm to 12/20/32 mm (5/32" to 5/4") HSS Titanium Coated, Hex Shank Metric Cut Tool for Wood, Stainless Steel,Metal Sheet

flintronic 3Pcs Spiral Grooved Step Drill Bit Set with 1 Automatic Center Punch, 4mm to 12/20/32 mm (5/32" to 5/4") HSS Titanium Coated, Hex Shank Metric Cut Tool for Wood, Stainless Steel,Metal Sheet

Q: What does the 40 mean in the description. I foolishly thought that the drill went up to 40mm.

I looked at the description and I am guessing that there might be a decimal point missing and add should read 4.0 - 32/20/12 as all three step drills have minimum bores of 4mm? .. just a guess.

Q: Will these bits go through 6mm iron?

Very much doubt they would be of any use for 6mm hard metal. I am only using them for wood.

Q: Will these bits go through 6mm iron?

I have only used it to go through steel, but I have used hss drill bits to go through cast iron pipes

Product ID: 290737262

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Details

Material
High Speed
Cutting diameter
4 millimeters
Finish type
Titanium
Shank type
SDS-Plus
Cutting angle string
118 Degrees

🔩Titanium-coated HSS for durability

⚙️3 precision step sizes (4-12/20/32mm)

🛠️Hex shank for slip-free power tool fit

Frequently Bought Together

Description

🛠️ Drill like a pro, finish like a boss.

TITANIUM TOUGHNESS - HSS steel with titanium coating slices through metal, wood, and plastic effortlessly.
SECURE HEX SHANK GRIP - Fits snugly in any 1/4" chuck, eliminating slip and boosting precision.
TURBOCHARGED SPIRAL GROOVE - Two-flute spiral design ensures faster, smoother, and cleaner cuts every time.
VERSATILE 3 STEP DRILL SET - Cover all your hole sizes from 4mm to 32mm with one sleek kit.
BONUS AUTOMATIC CENTER PUNCH - Pinpoint accuracy starts every hole perfectly—no guesswork, no mess.

The flintronic 3Pcs Spiral Grooved Step Drill Bit Set features three versatile step drill sizes (4-12mm, 4-20mm, 4-32mm) crafted from high-speed steel with a titanium coating for enhanced durability and cutting efficiency. Its two-flute spiral groove design delivers faster, smoother drilling with automatic chamfering for clean holes. The 1/4" hex shank ensures a secure, slip-free fit in most power drills, while the included automatic center punch guarantees precise hole placement. Ideal for professionals and DIYers working with wood, metal sheets, plastics, and more.

Specifications

Manufacturer	flintronic®-uk
Part Number	F4EU-2896682
Package Dimensions	14.4 x 10.2 x 4.2 cm; 453.59 g
Manufacturer reference	F4EU-2896682
Size	4-12 mm/4-20 mm/4-32 mm(Spiralnut)
Colour	#2 Golden Spiral Groove 4 in 1
Style	Gold
Finish	Titanium
Material	High Speed Steel (HSS)
Item Package Quantity	1
Number of Pieces	4
Batteries included?	No
Batteries Required?	No
Item Weight	454 g

Have a Question? See What Others Asked

What does the 40 mean in the description. I foolishly thought that the drill went up to 40mm.

Will these bits go through 6mm iron?

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