CAT-SET

THREADING | Solid Carbide Thread Mills

Recommended Drilling Data | Metric (mm)

ACCUTHREAD® 856

Machinability*

Recommended Feed (mm/tooth) by CuƩer Diameter

E10

Speed (m/min) 1.50 3.19 12.71 15.89 to to to to to to to to 3.18 4.76 6.35 7.94 9.53 12.70 15.88 19.05 274 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 213 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 152 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 4.77 6.36 7.95 9.54

Hardness (BHN)

ISO Material

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

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

85 - 125 Average 274 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 125 - 175 Average 213 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 175 - 225 Average 183 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 225 - 275 Average 152 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 125 - 175 Average 175 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 175 - 225 Average 152 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 225 - 275 Average 137 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 275 - 325 Average 122 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 125 - 175 Average 175 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 175 - 225 Average 152 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 225 - 275 Average 137 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 275 - 325 Difficult 122 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 325 - 375 Difficult 114 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 225 - 300 Average 137 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 300 - 350 Difficult 122 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 350 - 400 Difficult 107 0.010 0.013 0.015 0.020 0.025 0.033 0.046 0.051 100 - 150 Average 183 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 150 - 250 Average 152 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 250 - 350 Difficult 137 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 160 0.010 0.013 0.015 0.020 0.023 0.025 0.038 0.051 152 0.010 0.013 0.015 0.020 0.023 0.025 0.038 0.051 91 0.010 0.013 0.015 0.020 0.023 0.025 0.038 0.051 46 0.010 0.013 0.015 0.020 0.023 0.025 0.038 0.051 175 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 152 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 206 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 191 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 335 0.013 0.015 0.023 0.025 0.038 0.051 0.064 0.076 305 0.013 0.015 0.023 0.025 0.038 0.051 0.064 0.076 191 0.013 0.015 0.023 0.025 0.038 0.051 0.064 0.076 335 0.013 0.015 0.023 0.025 0.038 0.051 0.064 0.076 37 0.008 0.010 0.015 0.020 0.023 0.025 0.030 0.038 27 0.008 0.010 0.015 0.020 0.023 0.025 0.030 0.038 175 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 220 - 260 Average 152 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 260 - 320 Average 145 0.010 0.013 0.018 0.023 0.025 0.038 0.051 0.064 30 Easy Easy Easy 180 120 30 - 125 Easy 140 - 220 220 - 310 Difficult Difficult 120 - 150 Easy 150 - 200 Easy 200 - 220 Easy 135 - 185 185 - 275 185 - 275 275 - 325 150 - 200 200 - 250 Difficult Difficult Difficult Difficult Difficult Difficult

Low-Carbon Steel 1010, 1020, 1025, 1522, 1144, etc.

Medium-Carbon Steel 1030, 1040, 1050, 1527, 1140, 1151, etc.

P

Alloy Steel 4140, 5140, 8640, etc.

High-Strength Alloy 4340, 4330V, 300M, etc.

Structural Steel A36, A285, A516, etc.

Stainless Steel 303, 416, 420, etc. Stainless Steel PH 17-4, etc. Tool Steel H-13, H21, A-4, etc. Cast Iron Grey, DucƟle, Nodular

M

K

Wrought Aluminum 6061 T6 Cast Aluminum** up to 10% silicon

N

Brass

High-Temp Alloy Hastelloy® B, Inconel® 600, etc.

S

NOTICE: Reduce feed and speed by 30% for tapered thread forms due to addiƟonal material removal. *Refer to recommended pass chart on page xiv when referencing material machinability. **Uncoated thread mills are recommended for cast aluminum applicaƟons.

E10: 29

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