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Solid Brass Machinist Stock Lot, Rectangular Blocks for Fabrication/Prototyping — 2×3×3″ Slotted Cube + 7×4×1″ Plate with 1×1.5×1″ Step Cut, Approx. 12.8 lb Total Mass

Condition: Used surplus metal stock; surface scuffs, tool marks, and oxidation typical of shop storage. No certifications or alloy certs included.

These are two heavy solid brass blocks ideal for machining, prototyping, fixture-making, counterweights, instrument parts, or decorative metalwork. One piece is a 2 × 3 × 3 inch cube with a shallow slot on one face; the second is a 7 × 4 × 1 inch plate with an approx. 1 × 1.5 × 1 inch step cut (notch). Surfaces show handling marks from previous use, but both pieces offer plenty of clean material for turning, milling, drilling, or polishing. The combined weight is about 12.8 lb, giving you substantial brass for multiple small projects or one larger component.

Features

• Two-piece brass lot:

  • Block A: 2″ × 3″ × 3″ rectangular cube, shallow machined slot on one face

  • Block B: 7″ × 4″ × 1″ plate, step/notch ~1″ × 1.5″ × 1″ removed

• Approx. total mass: 12.8 pounds (great for counterweights, jigs, or raw stock)

• Machinable: Cuts, drills, taps, and polishes well with standard shop tools

• Non-sparking & corrosion resistant compared to plain steel (typical of brass)

• Versatile shapes: One thick cube + one plate with step cut expands layout options

Applications / Spheres of Use

• Machining & fabrication: bushings, brackets, threaded inserts, knurled knobs

• Electrical/HVAC shop: conductive terminals, bus bars, decorative plates, custom ferrules

• Tooling & fixturing: counterweights, parallels, soft jaws, test coupons

• Art & craftwork: plaques, sculptural accents, instrument trim, display bases

• Repairs & prototyping: small-engine spacers, valve parts, ornamental hardware

Notes & Measurements

• Dimensions are approximate and taken by tape; allow minor variance.

• Alloy/grade not verified (common shop brass types are C360/C932, etc.); no mill certs provided.

• Surfaces show patina and cosmetic wear from storage; finish to your requirement.

• Slot depth/width on 2×3×3″ piece and exact step geometry on the plate are as shown in photos.

Comparable Items

• New brass flat bar and block stock (C360 free-machining brass) in similar sizes

• Bronze (C932) bearing bronze blocks for wear applications

• Copper or aluminum blocks when higher conductivity or lighter weight is needed

Works As Part of Larger Systems

• Fixture weight for vibration damping on test benches

• Die shims or soft-anvil blocks for press work

• Custom terminals in low-voltage bus assemblies (verify ampacity and derating)

• Decorative escutcheons or mounting bases for instruments and gauges

Trademarks

Any manufacturer or alloy names referenced are the property of their respective owners and are used strictly for identification.

Related

brass block stock lot; 2x3x3 brass cube; 7x4x1 brass plate; brass machining billet; heavy brass counterweight; nonferrous metal raw material; device for making custom brass parts; machinist brass for milling and turning; brass plate with step notch; surplus brass metalworking stock

Common Requests:

1. “Can you provide exact weight per piece and the slot/step dimensions?”

2. “Do you know the alloy (e.g., C360 vs. C932)?”

3. “Will you cut to size or sell pieces individually?”

4. “Is the material magnetic (brass is typically non-magnetic)?”

5. “What’s the flatness and surface finish before machining?”

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