Internal Carbide Thread Milling Cutter 28 TPI 1/4"x28 UNF

Internal Carbide Thread Milling Cutter 28 TPI 1/4''x28 UNF
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Our Price:  £30.00(Exc. 20% VAT)(£36.00 Inc. VAT)

Model:  H060530N28
Brand:  APT Carbide End Mills

Shipped Weight:  35 g

Availability:  

Only 7 left in stock - order soon  

Only 7 left in stock - order soon

APT Carbide End Mills

Carbide End Mills APT Brand


Internal Carbide Thread Milling Cutter 28 TPI 1/4"x28 UNF.

60° UN Unified Full Profile Defined by ANSI B 1.1:74 Tolerance Class 2A/2B.

Max Thread Depth = 2 x Diameter or less.

Suitable for Steel, Stainless Steel, High Temperature Alloys, Titanium Alloys, Aluminium, Copper and Copper Alloys, Cast Iron and Hardened Steel up to 55HRC.

Details and Dimensions for H06052N28 (mm)
UNF Fine TPI Shank Diameter Head Diameter
1/4"x28 28 6 5.3
Length Flute Length Flutes
60 12 4
Recommended Speeds and Feeds - Or use software or online calculator for general thread milling and match the tool type.
In the case of persistent tool breakage increase the number of passes or try mini or single tooth cutters.
Entry feed can be ignored for aluminium non-ferrous metals and plastics.
Using more passes will increase machining time but will create smaller chips so recutting chips may be less problematic.
Mild to Alloy Steel <HB180 Mild to Alloy Steel HB180-280 Mild Steel, Alloy Steel HB280-350 Stainless
SS400, SC10C Etc. S45C, SCM440 Etc. SNCM439 Etc. SUS304, SUS316
G6.3 12K Balanced Tools RPM = 4200-4800 G6.3 12K Balanced Tools RPM = 4000-4600 G6.3 12K Balanced Tools RPM = 3500 G6.3 12K Balanced Tools RPM = 3500
G2.5 20K Balanced Tools RPM = 10000 G2.5 20K Balanced Tools RPM = 10000 G2.5 20K Balanced Tools RPM = 10000 G2.5 20K Balanced Tools RPM = 9000
Tool Entry Feed = 39mm/min Tool Entry Feed = 39mm/min Tool Entry Feed = 30mm/min Tool Entry Feed = 39mm/min
Cutting Feed = 130mm/min Cutting Feed = 130mm/min Cutting Feed = 100mm/min Cutting Feed = 130mm/min
Cut in 3-4 passes Cut in 3-4 passes Cut in 3-4 passes Cut in 3-4 passes
Application Choice Good Application Choice Good Application Choice Good OK or use Titanium Series
Grey Cast Iron Ductile Iron Aluminium Alloy Si<5%
FC300 FCD450 Plastic, Bronze, Cooper Alloys
G6.3 12K Balanced Tools RPM = 4200-4800 G6.3 12K Balanced Tools RPM = 5500 G6.3 12K Balanced Tools RPM = 5500-6500
G2.5 20K Balanced Tools RPM = 10000 G2.5 20K Balanced Tools RPM = 10000 G2.5 20K Balanced Tools RPM = 10000
Tool Entry Feed = 39mm/min Tool Entry Feed = 45mm/min Tool Entry Feed = 260-300mm/min
Cutting Feed = 130mm/min Cutting Feed = 150mm/min Cutting Feed = 260-300mm/min
Cut in 3-4 passes Cut in 3-4 passes Cut in 2-3 passes
Application Choice Good Application Choice Good OK or use DLC Coated

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