3HROUG / 4HROUG · ZrN Coated · 3 / 4 Flute · 45° Helix

3- and 4-Flute 45° Helix Fine-Pitch Roughing End Mill for Titanium and SUS Stainless Steel with ZrN Coating

The 45° helix and fine-pitch roughing profile combine controlled cutting action with productive material removal. ZrN coating supports stainless steel and titanium batch production and repeat-order sourcing.

45° helix geometry; available in Ø4–20 mm across 21 orderable SKUs.

3- and 4-Flute 45° Helix Fine-Pitch Roughing End Mill for Titanium and SUS Stainless Steel with ZrN Coating, ZrN-coated carbide end mill and dimensional drawing

3 / 4: Flutes
WC: Fine-grain carbide
ZrN: PVD coating
45°: Helix angle
Fine-pitch roughing square end: End geometry
h5: Shank tolerance
Ø4–20: Diameter range mm

45° helix geometry

The 45° high-helix design supports smoother entry and cutting action in finishing and fine-pitch roughing families.

Controlled cutting geometry

End and peripheral cutting geometry is batch inspected, with dimensional reports available.

Precision h5 shank

Shank diameter d uses an h5 tolerance to support secure location, runout control, and repeatable tool changes.

ZrN coating

Champagne-gold ZrN PVD coating for repeat B2B procurement of stainless-steel and titanium tooling.

Complete SKU table

3HROUG / 4HROUG dimensions and order codes

All dimensions are in mm; “—” means the field is not used for this family.

Showing 21 of 21 rowsFilter by order code or dimension

Order number / SKU	Specification	D	R	R tolerance	L1	L2	L	d (h5)
3HROUG 040 100 S06	4	4	—	—	10	—	50	6
3HROUG 050 130 S06	5	5	—	—	13	—	50	6
3HROUG 060 100 050	6	6	—	—	10	—	50	6
3HROUG 060 160 055	6	6	—	—	16	—	55	6
3HROUG 060 200 060	6	6	—	—	20	—	60	6
3HROUG 070 180 S08	7	7	—	—	18	—	65	8
3HROUG 080 120 060	8	8	—	—	12	—	60	8
3HROUG 080 190 065	8	8	—	—	19	—	65	8
3HROUG 080 250 070	8	8	—	—	25	—	70	8
4HROUG 090 220 S10	9	9	—	—	22	—	70	10
4HROUG 100 150 070	10	10	—	—	15	—	70	10
4HROUG 100 220 070	10	10	—	—	22	—	70	10
4HROUG 100 300 080	10	10	—	—	30	—	80	10
4HROUG 110 270 S12	11	11	—	—	27	—	80	12
4HROUG 120 200 075	12	12	—	—	20	—	75	12
4HROUG 120 250 080	12	12	—	—	25	—	80	12
4HROUG 120 350 090	12	12	—	—	35	—	90	12
4HROUG 160 320 090	16	16	—	—	32	—	90	16
4HROUG 160 400 110	16	16	—	—	40	—	110	16
4HROUG 200 380 110	20	20	—	—	38	—	110	20
4HROUG 200 500 120	20	20	—	—	50	—	120	20

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 quote