Tool Steels (High Speed, Oil Hardening, Mold & Die Steels & Water Hardening)



Principal supplies Tool Steels (High Speed, Oil Hardening, Mold & Die Steels & Water Hardening) in in Sheet, Plate, Bars, (round, flat, hexagons & square) & Forgings (seamless rolled & contour rings & open die forged). Grades Include:

  • A10
  • A11
  • A18
  • A2
  • A4
  • A6
  • A7
  • A8
  • A9
  • CPM 15V (tm)
  • CPM 3V (tm)
  • CPM 9V (tm)
  • CPM Rex 45 (tm)
  • CRU 161 (tm)
  • Crucible Marlok (tm)
  • Cuprodie
  • CX
  • D1
  • D2
  • D3
  • D4
  • D5
  • D6
  • D7
  • DC
  • DC-XTRA
  • Durodi
  • F1
  • F11
  • F2
  • FX-XTRA
  • H10
  • H10 Modified
  • H11
  • H11 Vac Melt
  • H12
  • H13
  • H13 ESR
  • H13 FM
  • H14
  • H19
  • H20
  • H21
  • H22
  • H23
  • H24
  • H25
  • H26
  • H42
  • H43
  • Hi-Hard P-20 (tm)
  • Holder Block
  • HS-76
  • L1
  • L2
  • L3
  • L6
  • L6 Modified
  • Lescalloy UT-19 (tm)
  • M-2 H.C.
  • M1
  • M10
  • M15
  • M2
  • M2 HC
  • M2+S
  • M3
  • M3 Type 1
  • M3 Type 2
  • M3/2
  • M30
  • M33
  • M34
  • M35
  • M36
  • M4
  • M41
  • M42
  • M43
  • M46
  • M48
  • M50
  • M50 Vac Melt
  • M52
  • M61
  • M62
  • M7
  • MD Lens Quality P-20
  • NAK 55 (tm)
  • Nitro Die
  • O1
  • O2
  • O6
  • O7
  • P-20 MDI (tm)
  • P20
  • P20 HC
  • P20 Modified
  • P21
  • P4
  • P5
  • P6
  • Porcerax (tm)
  • Porcerax 5 (tm)
  • Press Die
  • S1
  • S2
  • S2M
  • S4
  • S5
  • S6
  • S7
  • Shelldie
  • T1
  • T15
  • T2
  • T3
  • T4
  • T5
  • T6
  • T8
  • Vanadis 10 (tm)
  • VascoDie (tm)
  • VascoWear (tm)
  • Viscount 44 (tm)
  • W1
  • W2
  • W5
  • WF-XTRA


Principal Metals is a leading worldwide supplier of specialty metals. Combining our vast inventory with a wide range of fabrication capabilities, we are often able to meet your requirements when no other supplier can.

In addition to highlighting the products we offer, our website gives you access to a tremendous diversity of information designed to help you every day. We hope that you find what you need during your visit and that you take a moment to bookmark our site.

As an active customer of Principal, we offer you free access to our in-house library and we are always willing to fax or Email additional data to you.

For your convenience, we accept Visa, MasterCard & American Express.

Shipping From:
Boston | Chicago | Detroit | Houston | Los Angeles | Seattle

For Central Sales Office,
Call: 978.688.9800
or Fax: 978.688.9898

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