35° helix geometry
The 35° helix balances cutting-edge support, chip flow, and stable engagement in stainless steel and titanium.
4LEMG · ZrN Coated · 4 Flute · 35° Helix
The long-flute configuration combines extended cutting length with four-edge productivity for taller walls and deeper profiles. ZrN coating is specified for stainless steel and titanium batch machining.
35° helix geometry; available in Ø1–25 mm across 52 orderable SKUs.

The 35° helix balances cutting-edge support, chip flow, and stable engagement in stainless steel and titanium.
End and peripheral cutting geometry is batch inspected, with dimensional reports available.
Shank diameter d uses an h5 tolerance to support secure location, runout control, and repeatable tool changes.
Champagne-gold ZrN PVD coating for repeat B2B procurement of stainless-steel and titanium tooling.
Complete SKU table
All dimensions are in mm; “—” means the field is not used for this family.
| Order number / SKU | Specification | D | R | R tolerance | L1 | L2 | L | d (h5) |
|---|---|---|---|---|---|---|---|---|
| 4LEMG 010 030 S06 | 1 | 1 | — | — | 3 | — | 60 | 6 |
| 4LEMG 010 050 S06 | 1 | 1 | — | — | 5 | — | 60 | 6 |
| 4LEMG 015 060 S06 | 1.5 | 1.5 | — | — | 6 | — | 60 | 6 |
| 4LEMG 015 080 S06 | 1.5 | 1.5 | — | — | 8 | — | 60 | 6 |
| 4LEMG 020 080 S06 | 2 | 2 | — | — | 8 | — | 60 | 6 |
| 4LEMG 020 100 S06 | 2 | 2 | — | — | 10 | — | 60 | 6 |
| 4LEMG 030 100 S06 | 3 | 3 | — | — | 10 | — | 70 | 6 |
| 4LEMG 030 150 S06 | 3 | 3 | — | — | 15 | — | 70 | 6 |
| 4LEMG 030 200 S06 | 3 | 3 | — | — | 20 | — | 70 | 6 |
| 4LEMG 030 250 S06 | 3 | 3 | — | — | 25 | — | 70 | 6 |
| 4LEMG 040 120 S06 | 4 | 4 | — | — | 12 | — | 70 | 6 |
| 4LEMG 040 150 S04 | 4 | 4 | — | — | 15 | — | 70 | 4 |
| 4LEMG 040 150 S06 | 4 | 4 | — | — | 15 | — | 70 | 6 |
| 4LEMG 040 200 S04 | 4 | 4 | — | — | 20 | — | 70 | 4 |
| 4LEMG 040 200 S06 | 4 | 4 | — | — | 20 | — | 70 | 6 |
| 4LEMG 040 250 S06 | 4 | 4 | — | — | 25 | — | 70 | 6 |
| 4LEMG 040 300 S06 | 4 | 4 | — | — | 30 | — | 75 | 6 |
| 4LEMG 050 200 S06 | 5 | 5 | — | — | 20 | — | 70 | 6 |
| 4LEMG 050 250 S06 | 5 | 5 | — | — | 25 | — | 75 | 6 |
| 4LEMG 050 300 S06 | 5 | 5 | — | — | 30 | — | 80 | 6 |
| 4LEMG 060 200 S06 | 6 | 6 | — | — | 20 | — | 75 | 6 |
| 4LEMG 060 200 100 | 6 | 6 | — | — | 20 | — | 100 | 6 |
| 4LEMG 060 250 S06 | 6 | 6 | — | — | 25 | — | 75 | 6 |
| 4LEMG 060 300 S06 | 6 | 6 | — | — | 30 | — | 80 | 6 |
| 4LEMG 060 350 S06 | 6 | 6 | — | — | 35 | — | 80 | 6 |
| 4LEMG 080 250 S08 | 8 | 8 | — | — | 25 | — | 75 | 8 |
| 4LEMG 080 250 100 | 8 | 8 | — | — | 25 | — | 100 | 8 |
| 4LEMG 080 300 S08 | 8 | 8 | — | — | 30 | — | 80 | 8 |
| 4LEMG 080 350 S08 | 8 | 8 | — | — | 35 | — | 90 | 8 |
| 4LEMG 080 400 S08 | 8 | 8 | — | — | 40 | — | 90 | 8 |
| 4LEMG 080 450 S08 | 8 | 8 | — | — | 45 | — | 100 | 8 |
| 4LEMG 100 300 S10 | 10 | 10 | — | — | 30 | — | 80 | 10 |
| 4LEMG 100 300 110 | 10 | 10 | — | — | 30 | — | 110 | 10 |
| 4LEMG 100 350 S10 | 10 | 10 | — | — | 35 | — | 90 | 10 |
| 4LEMG 100 400 S10 | 10 | 10 | — | — | 40 | — | 90 | 10 |
| 4LEMG 100 500 S10 | 10 | 10 | — | — | 50 | — | 100 | 10 |
| 4LEMG 100 600 S10 | 10 | 10 | — | — | 60 | — | 110 | 10 |
| 4LEMG 120 300 S12 | 12 | 12 | — | — | 30 | — | 90 | 12 |
| 4LEMG 120 350 110 | 12 | 12 | — | — | 35 | — | 110 | 12 |
| 4LEMG 120 400 S12 | 12 | 12 | — | — | 40 | — | 100 | 12 |
| 4LEMG 120 500 S12 | 12 | 12 | — | — | 50 | — | 100 | 12 |
| 4LEMG 120 600 S12 | 12 | 12 | — | — | 60 | — | 110 | 12 |
| 4LEMG 120 700 S12 | 12 | 12 | — | — | 70 | — | 130 | 12 |
| 4LEMG 140 500 S14 | 14 | 14 | — | — | 50 | — | 110 | 14 |
| 4LEMG 160 400 160 | 16 | 16 | — | — | 40 | — | 160 | 16 |
| 4LEMG 160 550 S16 | 16 | 16 | — | — | 55 | — | 120 | 16 |
| 4LEMG 160 700 S16 | 16 | 16 | — | — | 70 | — | 130 | 16 |
| 4LEMG 180 800 160 | 18 | 18 | — | — | 80 | — | 160 | 18 |
| 4LEMG 200 500 160 | 20 | 20 | — | — | 50 | — | 160 | 20 |
| 4LEMG 200 600 S20 | 20 | 20 | — | — | 60 | — | 130 | 20 |
| 4LEMG 200 1000 S20 | 20 | 20 | — | — | 100 | — | 200 | 20 |
| 4LEMG 250 750 S25 | 25 | 25 | — | — | 75 | — | 160 | 25 |
For a production quotation, provide the SKU list, stainless or titanium grade, machine and coolant conditions, monthly or annual volume, and any dimensional-report, packaging, or laser-marking requirements.
Request a production quoteGHI HÌNH TẠI XƯỞNG
Hai video quay tại xưởng: mài dao CNC và kiểm tra kích thước.
Xem cách chúng tôi dùng máy mài CNC để chế tạo dao phay, mũi khoan và dao đặc biệt bằng hợp kim cứng.
Xem trên YouTubeQuy trình kiểm tra dao phay hợp kim cứng chính xác bằng thiết bị ZOLLER.
Xem trên YouTube