► Socket Screws

Socket Screws – Fasteners for Precision Assembly & High-Torque Applications Socket screws, also known as Allen screws or hex socket screws, are designed for high-strength, precision fastening in machinery, fabrication, & equipment assembly. With internal hex drives, they enable tight installation in confined spaces & deliver superior torque transfer. Available...

Socket Screws – Fasteners for Precision Assembly & High-Torque Applications

Socket screws, also known as Allen screws or hex socket screws, are designed for high-strength, precision fastening in machinery, fabrication, & equipment assembly. With internal hex drives, they enable tight installation in confined spaces & deliver superior torque transfer. Available in cap head, button head, & countersunk varieties, our socket screws are ideal for mechanical repairs, tooling setups, & metalwork builds.

What’s in This Collection:
► Socket cap screws for strong mechanical joints
► Button head & countersunk options for low-profile assembly
► Metric & imperial sizes in alloy, stainless, & black oxide
► Precision-machined threads for accurate fit
► Bulk packs for manufacturing & repair workshops

Sidebar
Filter
  • 10
  • 15
  • 20
  • 25
  • 30
  • 50
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Sort

Sort by:

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
  • BBI - #8-36x3/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11095
    BBI - #8-36x3/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11095
    BBI - #8-36x3/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11095This BBI #8-36x3/8" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #8-36x3/8" Thread: UNF Grade: Class 12.9 for reliable...
    $0.55
    $0.55
  • BBI - #8-32x1 1/2" (Pt) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11093
    BBI - #8-32x1 1/2" (Pt) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11093
    BBI - #8-32x1 1/2" (Pt) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11093This BBI #8-32x1 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #8-32x1 Thread: UNC Grade: Class 12.9 for...
    $0.94
    $0.94
  • BBI - #8-32x1 1/4" (Pt) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11091
    BBI - #8-32x1 1/4" (Pt) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11091
    BBI - #8-32x1 1/4" (Pt) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11091This BBI #8-32x1 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #8-32x1 Thread: UNC Grade: Class 12.9 for...
    $0.82
    $0.82
  • BBI - #8-32x1" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11089
    BBI - #8-32x1" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11089
    BBI - #8-32x1" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11089This BBI #8-32x1" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #8-32x1" Thread: UNC Grade: Class 12.9 for reliable...
    $0.76
    $0.76
  • BBI - #8-32x7/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11087
    BBI - #8-32x7/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11087
    BBI - #8-32x7/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11087This BBI #8-32x7/8" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #8-32x7/8" Thread: UNC Grade: Class 12.9 for reliable...
    $0.69
    $0.69
  • BBI - #8-32x3/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11085
    BBI - #8-32x3/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11085
    BBI - #8-32x3/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11085This BBI #8-32x3/4" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #8-32x3/4" Thread: UNC Grade: Class 12.9 for reliable...
    $0.67
    $0.67
  • BBI - #8-32x5/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11083
    BBI - #8-32x5/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11083
    BBI - #8-32x5/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11083This BBI #8-32x5/8" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #8-32x5/8" Thread: UNC Grade: Class 12.9 for reliable...
    $0.59
    $0.59
  • BBI - #8-32x1/2" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11081
    BBI - #8-32x1/2" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11081
    BBI - #8-32x1/2" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11081This BBI #8-32x1/2" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #8-32x1/2" Thread: UNC Grade: Class 12.9 for reliable...
    $0.57
    $0.57
  • BBI - #8-32x3/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11079
    BBI - #8-32x3/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11079
    BBI - #8-32x3/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11079This BBI #8-32x3/8" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #8-32x3/8" Thread: UNC Grade: Class 12.9 for reliable...
    $0.54
    $0.54
  • BBI - #8-32x1/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11077
    BBI - #8-32x1/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11077
    BBI - #8-32x1/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11077This BBI #8-32x1/4" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #8-32x1/4" Thread: UNC Grade: Class 12.9 for reliable...
    $0.43
    $0.43
  • BBI - #6-40x3/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11075
    BBI - #6-40x3/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11075
    BBI - #6-40x3/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11075This BBI #6-40x3/4" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #6-40x3/4" Thread: UNF Grade: Class 12.9 for reliable...
    $0.63
    $0.63
  • BBI - #6-40x5/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11073
    BBI - #6-40x5/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11073
    BBI - #6-40x5/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11073This BBI #6-40x5/8" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #6-40x5/8" Thread: UNF Grade: Class 12.9 for reliable...
    $0.58
    $0.58
  • BBI - #6-40x1/2" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11071
    BBI - #6-40x1/2" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11071
    BBI - #6-40x1/2" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11071This BBI #6-40x1/2" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #6-40x1/2" Thread: UNF Grade: Class 12.9 for reliable...
    $0.55
    $0.55
  • BBI - #6-40x3/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11069
    BBI - #6-40x3/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11069
    BBI - #6-40x3/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11069This BBI #6-40x3/8" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #6-40x3/8" Thread: UNF Grade: Class 12.9 for reliable...
    $0.53
    $0.53
  • BBI - #6-40x1/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11067
    BBI - #6-40x1/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11067
    BBI - #6-40x1/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNF | 11067This BBI #6-40x1/4" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #6-40x1/4" Thread: UNF Grade: Class 12.9 for reliable...
    $0.50
    $0.50
  • BBI - #6-32x1" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11065
    BBI - #6-32x1" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11065
    BBI - #6-32x1" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11065This BBI #6-32x1" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #6-32x1" Thread: UNC Grade: Class 12.9 for reliable...
    $0.85
    $0.85
  • BBI - #6-32x7/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11063
    BBI - #6-32x7/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11063
    BBI - #6-32x7/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11063This BBI #6-32x7/8" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #6-32x7/8" Thread: UNC Grade: Class 12.9 for reliable...
    $0.73
    $0.73
  • BBI - #6-32x3/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11061
    BBI - #6-32x3/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11061
    BBI - #6-32x3/4" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11061This BBI #6-32x3/4" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #6-32x3/4" Thread: UNC Grade: Class 12.9 for reliable...
    $0.65
    $0.65
  • BBI - #6-32x5/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11059
    BBI - #6-32x5/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11059
    BBI - #6-32x5/8" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11059This BBI #6-32x5/8" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #6-32x5/8" Thread: UNC Grade: Class 12.9 for reliable...
    $0.57
    $0.57
  • BBI - #6-32x1/2" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11057
    BBI - #6-32x1/2" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11057
    BBI - #6-32x1/2" (Ft) - Imperial Socket Head Cap Screw Thermal Black Oxide UNC | 11057This BBI #6-32x1/2" is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: #6-32x1/2" Thread: UNC Grade: Class 12.9 for reliable...
    $0.51
    $0.51

Precision Fastening That Delivers

From fabrication tables to engine components, our socket screws deliver tight, high-strength fastening in every rotation. Trust them in builds where clearance, durability, & reliability matter.

► High-torque drive for confident, flush installation

► Ideal for machine tools, robotics & structural assemblies

► Available in corrosion-resistant & black finishes

Frequently Asked Questions

Socket screws allow for high clamping force in tighter spaces with internal drive heads, making them ideal for machine assembly & compact builds.

Absolutely. Their high tensile strength & precision fit make them a go-to fastener for tools, engines, & equipment.

Yes. We offer stainless socket screws for corrosion resistance & outdoor use, along with alloy steel options for heavy-duty strength.

Brands

BBI

BBI
Bremick

Bremick
Champion

Champion
EHI

EHI
Excision

Excision
Hobsons

Hobsons
Rally

Rally