PRODUCTS — MODULAR DRILLS
SMF & SMFK Small-Diameter Modular Drills
Front-lock modular drills from Ø10 to 32 mm holding H8–H9 hole tolerance — change the head on the machine in seconds, without removing the shank.
- Ø10–32 mm
- Up to 12×D · H8–H9 tolerance
- T912 shank — 30% more rigidity
New Two Series.
SMFI and SMFK bring quick-change front locking to small diameters. Change the carbide head on the machine in seconds — no need to remove or re-measure the body.
- SMFI: Ø10–32 mm, up to 8×D, double-positioning front lock
- SMFK: Ø12–26 mm, up to 12×D for deep small-diameter holes
- H8–H9 hole tolerance with h7 head precision
- Every shank ships with its own wrench
Pick Your Series
Both series share the T912 shank and polished chip flutes — choose by depth and diameter.
SMFI Series
Ø10–32 mm · up to 8×D · double-positioning front lock · polished flutes for smooth chip evacuation · regrinding available.
SMFK Series
Ø12–26 mm · up to 12×D · front-lock clamping · higher accuracy and longer service life in production.
Both series: DIN T912 face-contact shank · H8–H9 hole tolerance · wrench included with every shank
Why Machinists Choose SMF / SMFK
Change on the Machine
Swap heads without removing the shank — shorter downtime, simpler workflow.
H8–H9 Hole Tolerance
Consistent hole quality from a modular system.
T912 Face Contact
30% more rigidity than DIN 1835B.
Wrench Included
Every shank ships with its own SMF wrench.
Polished Chip Flutes
Large, polished flutes evacuate chips smoothly and extend tool life.
Regrinding Service
Send heads back and cut your cost per hole further.
Specifications at a Glance
- SMFI: Ø10–32 mm · up to 8×D · R1/R3/R5/R8 shanks · T16M connection
- SMFK: Ø12–26 mm · up to 12×D · front-lock clamping
- Tolerance: hole H8–H9 · head h7
- Shank: DIN T912 face contact (30% more rigidity)
- Materials: steel, stainless steel, cast iron
- Regrinding: available for both series
Frequently Asked Questions
SMFI covers Ø10–32 mm up to 8×D with a double-positioning front lock. SMFK covers Ø12–26 mm up to 12×D with front-lock clamping for deeper small-diameter holes.
Yes — the front-lock design is made for in-machine changes. Each shank ships with its own wrench.
H8–H9 hole tolerance with h7 head precision.
Steel, stainless steel, and cast iron.
Yes — send heads back and we will regrind them to extend tool life.
Please contact us for current MOQ and lead times — we reply within 1 business day.
Small Diameters, Zero Downtime
Tell us your diameter, depth, and material — we will spec the right SMF or SMFK package with pricing within 1 business day.
sales@winveratools.com