| Fastener type | Socket head cap screw Hex-socket machine screw. |
|---|---|
| Thread/length | 5/16-18 x 2.50 in This size is repeatedly supported by the evidence, though one noisy source uses a conflicting fraction. |
| Material/finish | Stainless steel, silver plated Supported by multiple entries. |
Socket head cap screws are precision fasteners tightened with a hex key or socket driver.
In vacuum or cleanroom equipment, material, plating, thread, and length are important for cleanliness, galling resistance, and fit.
Often used to reduce galling in stainless fasteners; supported by the evidence.
Supported by evidence as SST/SS.
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.
No public documents were listed for this part when captured.
Prices and availability may change. Confirm details with the seller.
Observed public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 11, 2026 16:03 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 7, 2026 16:19 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBay0 matching listings.
No active-status direct listings are shown on this page.
Auction listing history. Direct marketplace listings are shown separately.
| Currency | Price basis | Records | Minimum | Maximum | Mean |
|---|---|---|---|---|---|
| USD | Observed public listing prices | 2 | 100.0000 | 700.0000 | 400.0000000000000000 |
Amounts without an established currency are retained in the history below and excluded from monetary comparisons. Bids, public listing prices and accepted amounts are distinct; no currency conversion is applied.
| Time recorded | Listing | Observation | Public price | Recorded acceptance |
|---|---|---|---|---|
| Sep 30, 2024 11:33 UTC | Applied Materials (AMAT) 3690-01953 SCREW MACH SKT HD 5/16-18X2.50 | Completed listing price | 9.95 (currency not captured) | Not established |
| Jul 1, 2022 01:29 UTC | 5PCS Applied Materials (AMAT) 3690-01953 SCREW MACH SKT HD 5/16-18X2.50L HEX SKT | Completed listing price | 37.49 (currency not captured) | Not established |
| Aug 6, 2019 19:04 UTC | Applied Materials AMAT 3690-01953 Silver Plated Bolts 24 Each | Completed listing price | 14.99 (currency not captured) | Not established |
| Jan 29, 2019 20:55 UTC | Applied Materials AMAT 3690-01953 Silver Plated Bolts 24 Each | Completed listing price | 14.99 (currency not captured) | Not established |
| Dec 27, 2018 03:18 UTC | Applied Materials AMAT 3690-01953 Silver Plated Bolts 24 Each | Completed listing price | 14.99 (currency not captured) | Not established |
| Nov 23, 2018 15:43 UTC | Applied Materials AMAT 3690-01953 Silver Plated Bolts 24 Each | Completed listing price | 14.99 (currency not captured) | Not established |
| Oct 23, 2018 20:11 UTC | Applied Materials AMAT 3690-01953 Silver Plated Bolts 24 Each | Completed listing price | 14.99 (currency not captured) | Not established |
| Sep 21, 2018 22:37 UTC | Applied Materials AMAT 3690-01953 Silver Plated Bolts UWC Clean Room 24 Each | Completed listing price | 14.99 (currency not captured) | Not established |
| Aug 24, 2018 12:20 UTC | Applied Materials (AMAT) 3690-01953 SCREW MACH SKT HD 5/16-18X2.50 | Completed listing price | 5.95 (currency not captured) | Not established |
| Jan 2, 2018 15:44 UTC | New Applied Materials 3690-01953 SCR CAP SKT HD 3/16-18 x 25 | Completed listing price | 38.4 (currency not captured) | Not established |
| Mar 11, 2014 16:02 UTC | Applied Materials 3690-01953 SCR CAP SKT HD 5/16-18X2.5L HEX SKT SST SLVR-PLT | Completed listing price | 50 (currency not captured) | Not established |
| Jan 8, 2014 16:56 UTC | Applied Materials 3690-01953 SCR CAP SKT HD 5/16-18X2.5L HEX SKT SST SLVR-PLT | Completed listing price | 50 (currency not captured) | Not established |
| Dec 7, 2013 22:19 UTC | Applied Materials 3690-01953 SCR CAP SKT HD 5/16-18X2.5L HEX SKT SST SLVR-PLT | Completed listing price | 50 (currency not captured) | Not established |
Public listing prices, direct recorded sale prices and recorded accepted Best Offer amounts remain distinct. Quantities are source estimates. No aggregate sales total or average is inferred.
Prices and availability may change. Confirm details with the seller.
Legacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
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