Skip to content

Thumb Nut, #4-40, Gr 18-8, SS, Passivtd, PK5

Original price $11.02 - Original price $11.02
Original price $11.02
$23.94
$23.94 - $23.94
Current price $23.94

CONTRACTOR SELECT — Thumb Nuts — Thumb Nut, #4-40, Gr 18-8, SS, Passivtd, PK5

A practical Thumb Nuts by CONTRACTOR SELECT intended for repeatable results in shop, facility, and field workflows.

Quick specs

  • Material: Stainless Steel
  • Finish: Plain
  • System of Measurement: Inch
  • Overall Height: 3/8 in
  • Manufacturer Part Number: 4070
  • UPC: -

Product information

  • Country of Origin: United States
  • Manufacturer Part Number: 4070
  • UPC: -

Dimensions

  • Dia./Thread Size: #4-40
  • Head Dia.: 1/2 in
  • Base Height: 1/4 in
  • Base Dia.: 1/4 in
  • Nut Height: 3/8 in
  • Fastener Thread Length: 0.25 in
  • Head Height: 1/8 in
  • Base Diameter: 1/4 in
  • Head Diameter: 1/2 in
  • Overall Height: 3/8 in
  • Thread Length: 1/4 in
  • Thread Size: #4-40

Details

  • Nut Style: Round Knurled Thumb Nut
  • Basic Material: Stainless Steel
  • Material Grade: 18-8
  • Fastener Finish: Passivated
  • Nut Standards: ASTM 581/582
  • Fastener Thread Type: UNC (Coarse)
  • Fastener Thread Direction: Right Hand
  • Thread Type: Coarse
  • Surface Texture: Knurled
  • Type: Thumb Nut
  • Finish: Plain
  • Pack Size: Small Pack
  • Material Quality Standards: ASTM 581/582
  • Material: Stainless Steel
  • Material Grade/Class: 18-8
  • Head Shape: Round
  • Thread Direction: Right Hand
  • Item: Thumb Nut
  • System of Measurement: Inch

This Thumb Nuts is chosen for predictable fit and professional handling.

Recommended for field service tasks and on-site replacement and well-suited for replacement, upgrade, and stock-room use.

Highlights

  • Designed for professional use where predictable fit and handling are important.
  • Works well in standardized part lists and preventative maintenance schedules.
  • Clear specification formatting helps reduce ordering mistakes.
  • Organized for straightforward purchasing and stocking.

Notes: Confirm fit, compatibility, and any site-specific requirements prior to ordering or installation.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare