4,800 units in Pittsburgh · ships same-day

Pittsburgh DC: 14,200 in stock · ships same-day on orders before 4pm ET

SKU FRG-FN-8501 · MIL-S-1222H spec

Grade 8 Hex Cap Screws — 1/2-13 × 2 in. Black Oxide

SAE J429 alloy-steel hex cap screw, phosphate & oil, UNC thread. Box of 100. Stocked deep at the Pittsburgh DC. Material Test Report free with every order — stamped per heat.

Grade
Grade 8
Material
SAE J429 alloy steel
Finish
Black oxide
Thread
UNC 1/2-13
Length
2.00 in. (50.8 mm)
Coating
Phosphate & oil
Proof load
23,200 lbf
Tensile (min)
150,000 psi
/ unit$0.32
/ box of 100$28.50
/ case of 1,000$245.00
Request bulk pricing on 10,000+
Same-day shipNet-30 OKMTR freeASTM A574Domestic

Engineering & logistics

Specs you can hand to QA.

Mechanical Properties
Proof load 23,200 lbf · tensile strength 150,000 psi min · hardness HRC 33–39 · core hardness HRC 35 nominal. Manufactured to SAE J429 Grade 8 with full traceability back to the steel mill heat.
Dimensional Specs
Nominal diameter 0.500 in. · thread 1/2-13 UNC 2A · length 2.00 in. ±0.05 · head dia. 0.750 in. across flats · head height 0.323 in. · wrenching 3/4 in. Per ASME B18.2.1.
Material Cert
MTR (3.1 EN 10204) issued at heat-lot level. Includes chemical analysis (C, Mn, P, S, Si, Cr, Mo, B), mechanical test results, and treatment record. Domestic-melt domestic-manufacture certificates available on request — required for DFARS and ITAR-controlled programs.
Volume Tiers
See the bulk-pricing table below. Pricing breaks at single-box (100), case (1,000), and pallet (10,000+) — pallet pricing is quoted by the sales desk within one business day.
Same-Day Shipping
In-stock orders placed before 3:00 PM ET ship same-day from the Pittsburgh DC. Two-day ground covers the entire Eastern US zone. Hazmat and pallet quantities ship LTL — freight class 50, NMFC 23010.
Spec sheet · FRG-FN-85013.4 MB · 4 pages · last revised 2025-11-12Download

Bulk pricing — published

Volume tiers.

Bulk pricing isn't a negotiation game. The tiers are public, the math is the same for everyone, the line price prints on every quote.

TierQuantityUnit priceLine totalNotes
011 – 99 ea$0.32$32.00Single-unit ship
035 boxes · 500 ea$0.265$132.50Multi-box
041 case · 1,000 ea$0.245$245.00Case discount
055 cases · 5,000 ea$0.218$1,090.00Bulk tier 2
061 pallet · 10,000+ eaQuoteCustomCustom quote

From the buyers

Customer Reviews

4.7/5

★★★★★

142 verified reviews

Buyer photos

Aerial view of a concrete-formwork construction siteContractor reviewing blueprints and specs at a deskForge warehouse aisle — stock contextWorkshop bench — fabrication context

2026-04-18

★★★★★

Heat-lot MTR came through the inbox the same morning the box hit our dock. Pulled three random pieces, sent to our QA lab — proof load came back at 23,600 lbf, comfortably over the SAE J429 spec on the cert. This is how Grade 8 hardware should ship.

2026-03-02

★★★★★

The black oxide finish is the real thing, not a wipe-over. Phosphate & oil under the coat. Threads roll on clean, no debris in the box, no soft pieces in the run of 100. Forge gets the call when the bridge job needs hardware on the dock by 7 AM.

2026-02-11

★★★★

Quality is right where it should be for SAE J429 — no complaints on the steel or the finish. Only thing: wish the carton pack was 100 not 50 on the larger lengths. For 1/2-13 × 2, 100/box is correct, but the longer SKUs on Forge's site default to 50 and that adds line items on a big PO.

2026-01-28

★★★★★

Domestic-melt, domestic-manufacture per the MTR — that's the DFARS box ticked without a follow-up email to the sales desk. Box weight matches the count, every box, every order. Standing PO on this SKU since 2023. Net-30 turns into Net-15 on monthly close and Forge has never blinked.

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From the buyers

Fleet operators & facility managers.

★★★★★
Fleet runs 38 over-the-road tractors out of Wheeling and we tear into trailer suspensions weekly. Forge ships these same-day from Pittsburgh and the MTR is in the inbox before the box hits the dock. No more sourcing scramble.
★★★★★
We replaced our prior supplier on Grade 8 hardware after a phosphate-coating QA issue. Forge's MTRs come stamped per heat lot, the box weight matches the count, every time. Procurement is finally hands-off on this SKU.
★★★★★
Standing PO at the Hartford DC. Net-30 means we batch invoices monthly instead of cutting checks weekly. Our facilities team loves the consistent box-of-100 packaging — it's a real B2B vendor, not a marketplace listing.

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Stock the bin. Open Net-30.

Standing orders, blanket POs, scheduled releases. Tax-exempt cert + three trade references — terms approved in 24 hours.

Net-30 termsSame-day quote4 warehouses12,400 SKUs

Sales desk · Mon–Fri 7–6 EST

(412) 555-0144

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Grade 8 Hex Cap Screws · Box of 100$28.50
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