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Flat black oxide alloy socket head cap screw with 5/8 inch thread

Kerr Lakeside

Kerr Lakeside 62C225KFC 5/8"-11 Socket Head Cap Screw Flat Black Oxide Alloy Rim Screw

SKU CH-2AN3-B2JNH

Flat-head alloy-steel socket cap screw, 5/8"-11 thread, Grade 8 strength, black-oxide finish, 2¼ in. fully threaded length, 82° countersink, ANSI B18.3

  • Grade 8 alloy steel handles high torque loads
  • Black oxide finish resists corrosion in wheel environments
  • 5/8"-11 fully threaded shank engages full nut depth
  • 82° countersink seats flush in rim holes
  • ANSI B18.3 dimensional standard ensures consistent fit

Kerr Lakeside 62C225KFC Rim Screw

This Kerr Lakeside 62C225KFC rim screw is a Grade 8 alloy steel fastener with a flat socket head and black oxide finish. It uses a 5/8"-11 thread and measures 2 1/4 inches in length. The drive size is 3/8 inch and the head diameter is 1.188 inches. It conforms to ANSI B 18.3 standards.

Suits wheel assemblies needing flat countersunk

This screw suits automotive wheel assemblies requiring a fully threaded, flat head with an 82-degree countersink angle. Builders needing a flange head, a different thread pitch, or a non-alloy material should look elsewhere. It is not for applications requiring a longer grip length than 2 1/4 inches.

5/8"-11 Thread Size and Grade 8 Strength

The 5/8"-11 thread size and Grade 8 alloy steel construction are the primary specifications determining fit and load capacity. The flat socket head requires a 3/8 inch drive tool for installation. Verify the thread size matches the mating component before purchase.

How it compares

Measured against everything we stock in Miniature Screws & Rim Fasteners, at today’s prices. Recalculated every night.

Price $37.99
Pricier than about 99% of the 15 comparable items (median $5.99).

Specifications

Product
Brand nameKERR LAKESIDE

Questions about this item

What does the 5/8"-11 thread size mean for wheel fitment?

It matches a 5/8 inch diameter bolt pattern with 11 threads per inch, common on many heavy-duty wheel hubs.

How does the 3/8 inch socket drive size affect installation?

A standard 3/8 inch hex key or bit fits the internal drive, allowing torque application without damaging the flat head.

What clearance does the 1.188 inch head diameter and 82 degree countersink need?

The flat head seats flush in an 82 degree countersunk hole, requiring a bore at least 1.188 inches wide for the head to sit fully recessed.

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