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An engineer's reference, on the house.

Re-keyed from our 84-page master catalog and Lindquist's selection guide. Live calculators, full tolerance tables, every grade we stock.

Selection guide Hardness converter Weight calculator Color code chart Downloads

Tool steel selection guide.

≈100 application rows from Lindquist's published guide. Filter by application name to find recommended grades — then click through to the grade page for chemistry and heat treat.
100 applications
ApplicationRecommended grades

Hardness conversion.

Enter any one value — Brinell, Rockwell C/B, Vickers, or approximate tensile (psi×1000). The rest are computed from the standard conversion table in our master catalog (p. 65).
→ Try 60 HRC: a typical hardened tool-steel target.
HRC
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HRB
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BHN
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Vickers (HV)
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Tensile (ksi)
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Tensile (MPa)
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Bar & plate weight calculator.

Steel density 0.2836 lb/in³ baseline. Switch density for stainless 304/316 (.289), aluminum (.098), or copper (.323) as needed.
Per piece
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Total weight
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Cross-section
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→ Catalog rule of thumb for steel: tensile (psi/1000) ≈ BHN ÷ 2.

Lindquist color code chart.

Bar ends are painted in the warehouse so they're identifiable at a glance — across 49 grades. Verbatim from Lindquist's published chart.
GradeColor code

→ DC53®, NAK 55®, NAK 80®, DH2F®, PX5®, DH31-EX®, and DCMX® are registered trademarks of Daido Steel LTD. CPM®, V®, and Rex® are registered trademarks of Crucible Industries, LLC.

Downloads.

Catalogs, datasheets, certs, and supplier documentation. PDFs open in a new tab.
/ Catalog

Master Catalog (84 pp)

SAE compositions, tolerance tables, machinability ratings, formulas.
/ Linecard

Lindquist Linecard

Every tool steel grade, with form, sizes, and authorized brand.
/ Reference

Color Code Chart (PDF)

Print-ready warehouse poster for bar-end paint.
/ Quality

ISO 9001:2015 Certificate

DNV C604309 — current scope and expiration.
/ Quality

Quality Clauses for Suppliers

Rev 06/2024 — flowdown to our supply chain.
/ Compliance

Conflict Minerals Letter

Position statement and supplier survey methodology.
/ Compliance

CA Prop 65 Statement

Carcinogen / reproductive harm disclosures.
/ Forms

Credit Application

For new accounts & credit terms.
/ Datasheets

Per-grade datasheets

40+ AISI & proprietary grades. DC53® available now; more rolling out.