DIN TAP T221 Spiral Flute, Metric, R40, NH Blu
DIN TAP T221 Spiral Flute, Metric, R40, NH Blu

DIN TAP T221 Spiral Flute, Metric, R40, NH Blu

£17.45 – £25.74

DIN TAP T221 Spiral Flute, Metric, R40, NH Blu

SKU: 01t28000001sQYSAA2 Categories: ,

Description

DIN TAP T221 Spiral Flute, Metric, R40, NH Blu. Suitable for harder short chipping materials up to 42 HRC. Blind holes. Depths up to 2.5 x d1

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Range
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pitemd1Pitchlimitlengthl1mmlengthl2mmlengthl3mmdiameterd2mmsqlengthl4mmz RRP
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  • Suitable for harder short chipping materials up to 42 HRc
  • Blind holes
  • Depths up to 2.5 x d1
ISO VDI Description Condition Hardness Strength Optimal
P 3 Steel - Non-alloy, cast & free cutting (~ 0.45 %C) Quenched & Tempered 250 840
P 4 Steel - Non-alloy, cast & free cutting (~ 0.75 %C) Annealed 270 910
P 5 Steel - Non-alloy, cast & free cutting (~ 0.75 %C) Quenched & Tempered 300 1010
P 7 Steel - Low alloy & cast < 5% of alloying elements Quenched & Tempered 275 930
P 8 Steel - Low alloy & cast < 5% of alloying elements Quenched & Tempered 300 1010
P 10 Steel - High alloy, cast & tool Annealed 200 680
P 12 Steel - Corrosion resistant & cast - Ferritic / Martensitic Annealed 200 680
M 14.1 Stainless Steel - Austenitic Age Hardened 180 610
M 14.2 Stainless Steel - Duplex 250 840
M 14.3 Stainless Steel - Precipitation Hardening 250 840
K 15 Cast Iron, Grey (GG) - Ferritic / Pearlitic 180 610
K 16 Cast Iron, Grey (GG) - Pearlitic 260 880
K 17 Cast Iron, Nodular (GGG) - Ferritic 160 570
K 18 Cast Iron, Nodular (GGG) - Pearlitic 250 840
K 19 Cast Iron, Malleable - Ferritic 130 460
K 20 Cast Iron, Malleable - Pearlitic 230 780
H 40 Cast Iron - Chilled Cast 400 1350

KEY

Optimal Effective PSteel MStainless KCast Iron NNon-Ferous Metals STitanium & Super Alloys HHard Materials
Designation
NH
Material
PM-HSSE V3
Finish
Blu
Max Cut Depth
2.5xD
Shank Form
A
Helix Angle
R40
Standard
DIN371
Thread Form
M
Nut Tolerance
ISO 2 / 6H
Lead
Form C / 3 x P