AMPC-E_EU-EN

THREADING | Solid Carbide and Indexable Thread Mills

Recommended Cutting Data | Metric (mm) Solid Carbide | ThreadMills USA™

A

Recommended Feed (mm/tooth) by Cutter Diameter

Machinability*

DRILLING

1.50 mm - 3.18 mm

3.19 mm - 4.76 mm

4.77 mm - 6.35 mm

6.36 mm - 7.94 mm

7.95 mm - 9.53 mm

9.54 mm - 12.70 mm

12.71 mm - 15.88 mm

15.89 mm - 19.05 mm

Hardness (BHN)

Speed (m/min)

ISO Material

Free-Machining Steel 1118, 1215, 12L14, etc.

100 - 150 Easy 150 - 200 Easy 200 - 250 Easy

221 168

0.010 0.010

0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.010 0.010 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.015 0.015 0.015 0.015

0.018 0.018 0.018 0.018 0.018 0.018 0.018 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.018 0.018 0.018 0.015 0.015 0.015 0.015 0.015 0.015 0.018 0.018 0.018 0.018 0.018 0.018 0.018 0.023 0.023 0.023 0.023

0.023 0.023 0.023 0.023 0.023 0.023 0.023 0.020 0.020 0.020 0.020 0.020 0.020 0.020 0.020 0.020 0.020 0.020 0.020 0.023 0.023 0.023 0.020 0.020 0.020 0.020 0.020 0.020 0.023 0.023 0.023 0.023 0.023 0.023 0.023 0.025 0.025 0.025 0.025

0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.046 0.051 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.023 0.025 0.030 0.038 0.023 0.025 0.030 0.038 0.023 0.025 0.038 0.051 0.023 0.025 0.038 0.051 0.023 0.025 0.038 0.051 0.023 0.025 0.038 0.051 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.025 0.038 0.051 0.064 0.038 0.051 0.064 0.076 0.038 0.051 0.064 0.076 0.038 0.051 0.064 0.076 0.038 0.051 0.064 0.076

137 0.010

Low-Carbon Steel

85 - 125 Average 221 125 - 175 Average 168

0.010 0.010

1010, 1020, 1025, 1522, 1144

B

175 - 225 Average

137 0.010

225 - 275 Average 122

0.010

Medium-Carbon Steel

125 - 175 Average

137 0.010

1010, 1040, 1050, 1527, 1140

175 - 225 Average 122

0.010

BORING

225 - 275 Average 275 - 325 Average 125 - 175 Average 225 - 275 Average 275 - 325 Difficult 325 - 375 Difficult 225 - 300 Average 300 - 350 Difficult 350 - 400 Difficult 100 - 150 Average 140 - 220 Difficult 220 - 310 Difficult 135 - 185 Difficult 185 - 275 Difficult 185 - 275 Difficult 275 - 325 Difficult 150 - 200 Difficult 200 - 250 Difficult 120 - 150 Easy 150 - 200 Easy 200 - 220 Easy 250 - 350 Difficult

107 0.010

91

0.010

P

Alloy Steel

137 0.010

4140, 5140, 8640

175 - 225 Average 122

0.010

107 0.010

91 76

0.010 0.010

High-Strength Alloy 4340, 4330V, 300M

107 0.010

C

91 76

0.010 0.010

Structural Steel A36, A285, A516

137 0.010

REAMING

150 - 250 Average 122

0.010 0.010 0.008 0.008 0.010 0.010 0.010 0.010 0.010 0.010 0.010

91

High-Temp Alloy

30 23

S

Hastelloy B, Inconel 600

Stainless Steel 303, 416, 420

130 0.010

122

Stainless Steel PH

76 38 99 69

M

17-4

D

Tool Steel

H-13, H21, A-4

BURNISHING

Cast Iron

168 152

Grey, Ductile, Nodular

R

137 0.010

220 - 260 Average 122 260 - 320 Average 114

0.010 0.010

Wrought Aluminium

30

Easy Easy Easy

305 0.013

6061 T6

180 120

274 152

0.013 0.013

S

Cast Aluminium** up to 10% silicon

Brass

30 - 125 Easy

305 0.013

E

NOTICE: Reduce feed and speed by 30% for tapered thread forms due to additional material removal *Refer to recommended pass chart on page E: 53 when referencing material machinability **Uncoated thread mills are recommended for cast aluminium applications

THREADING

X

SPECIALS

E: 56

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