► 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

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  • BBI - 1/4"-20x1 1/2" - Imperial 304 Button Socket Screw UNC | 702160
    BBI - 1/4"-20x1 1/2" - Imperial 304 Button Socket Screw UNC | 702160
    BBI - 1/4"-20x1 1/2" - Imperial 304 Button Socket Screw UNC | 702160This BBI 1/4"-20x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: 1/4"-20x1 Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $0.76
    $0.76
  • BBI - 1/4"-20x1 1/4" - Imperial 304 Button Socket Screw UNC | 702157
    BBI - 1/4"-20x1 1/4" - Imperial 304 Button Socket Screw UNC | 702157
    BBI - 1/4"-20x1 1/4" - Imperial 304 Button Socket Screw UNC | 702157This BBI 1/4"-20x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: 1/4"-20x1 Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $0.89
    $0.89
  • BBI - #10-32x2" - Imperial 304 Button Socket Screw UNF | 702151
    BBI - #10-32x2" - Imperial 304 Button Socket Screw UNF | 702151
    BBI - #10-32x2" - Imperial 304 Button Socket Screw UNF | 702151This BBI #10-32x2" is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-32x2" Thread: UNF Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for corrosion...
    $1.61
    $1.61
  • BBI - #10-32x1 3/4" - Imperial 304 Button Socket Screw UNF | 702150
    BBI - #10-32x1 3/4" - Imperial 304 Button Socket Screw UNF | 702150
    BBI - #10-32x1 3/4" - Imperial 304 Button Socket Screw UNF | 702150This BBI #10-32x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-32x1 Thread: UNF Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $1.57
    $1.57
  • BBI - #10-32x1 1/2" - Imperial 304 Button Socket Screw UNF | 702148
    BBI - #10-32x1 1/2" - Imperial 304 Button Socket Screw UNF | 702148
    BBI - #10-32x1 1/2" - Imperial 304 Button Socket Screw UNF | 702148This BBI #10-32x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-32x1 Thread: UNF Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $1.32
    $1.32
  • BBI - #10-32x1 1/4" - Imperial 304 Button Socket Screw UNF | 702145
    BBI - #10-32x1 1/4" - Imperial 304 Button Socket Screw UNF | 702145
    BBI - #10-32x1 1/4" - Imperial 304 Button Socket Screw UNF | 702145This BBI #10-32x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-32x1 Thread: UNF Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $1.27
    $1.27
  • BBI - #10-32x3/16" - Imperial 304 Button Socket Screw UNF | 702140
    BBI - #10-32x3/16" - Imperial 304 Button Socket Screw UNF | 702140
    BBI - #10-32x3/16" - Imperial 304 Button Socket Screw UNF | 702140This BBI #10-32x3/16" is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-32x3/16" Thread: UNF Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for corrosion...
    $2.21
    $2.21
  • BBI - #10-32x5/16" - Imperial 304 Button Socket Screw UNF | 702136
    BBI - #10-32x5/16" - Imperial 304 Button Socket Screw UNF | 702136
    BBI - #10-32x5/16" - Imperial 304 Button Socket Screw UNF | 702136This BBI #10-32x5/16" is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-32x5/16" Thread: UNF Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for corrosion...
    $0.86
    $0.86
  • BBI - #10-24x2 1/2" - Imperial 304 Button Socket Screw UNC | 702135
    BBI - #10-24x2 1/2" - Imperial 304 Button Socket Screw UNC | 702135
    BBI - #10-24x2 1/2" - Imperial 304 Button Socket Screw UNC | 702135This BBI #10-24x2 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-24x2 Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $1.89
    $1.89
  • BBI - #10-24x2" - Imperial 304 Button Socket Screw UNC | 702133
    BBI - #10-24x2" - Imperial 304 Button Socket Screw UNC | 702133
    BBI - #10-24x2" - Imperial 304 Button Socket Screw UNC | 702133This BBI #10-24x2" is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-24x2" Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for corrosion...
    $1.39
    $1.39
  • BBI - #10-24x1 3/4" - Imperial 304 Button Socket Screw UNC | 702132
    BBI - #10-24x1 3/4" - Imperial 304 Button Socket Screw UNC | 702132
    BBI - #10-24x1 3/4" - Imperial 304 Button Socket Screw UNC | 702132This BBI #10-24x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-24x1 Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $1.31
    $1.31
  • BBI - #10-24x1 1/2" - Imperial 304 Button Socket Screw UNC | 702130
    BBI - #10-24x1 1/2" - Imperial 304 Button Socket Screw UNC | 702130
    BBI - #10-24x1 1/2" - Imperial 304 Button Socket Screw UNC | 702130This BBI #10-24x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-24x1 Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $1.14
    $1.14
  • BBI - #10-24x1 1/4" - Imperial 304 Button Socket Screw UNC | 702127
    BBI - #10-24x1 1/4" - Imperial 304 Button Socket Screw UNC | 702127
    BBI - #10-24x1 1/4" - Imperial 304 Button Socket Screw UNC | 702127This BBI #10-24x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #10-24x1 Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $0.82
    $0.82
  • BBI - 3/8"-24x1 1/2" (Ft) - Imperial 304 Button Socket Screw UNF | 702114
    BBI - 3/8"-24x1 1/2" (Ft) - Imperial 304 Button Socket Screw UNF | 702114
    BBI - 3/8"-24x1 1/2" (Ft) - Imperial 304 Button Socket Screw UNF | 702114This BBI 3/8"-24x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: 3/8"-24x1 Thread: UNF Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel...
    $9.08
    $9.08
  • BBI - #8-32x1 1/2" - Imperial 304 Button Socket Screw UNC | 702113
    BBI - #8-32x1 1/2" - Imperial 304 Button Socket Screw UNC | 702113
    BBI - #8-32x1 1/2" - Imperial 304 Button Socket Screw UNC | 702113This BBI #8-32x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #8-32x1 Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $1.69
    $1.69
  • BBI - 3/8"-24x1 1/4" (Ft) - Imperial 304 Button Socket Screw UNF | 702112
    BBI - 3/8"-24x1 1/4" (Ft) - Imperial 304 Button Socket Screw UNF | 702112
    BBI - 3/8"-24x1 1/4" (Ft) - Imperial 304 Button Socket Screw UNF | 702112This BBI 3/8"-24x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: 3/8"-24x1 Thread: UNF Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel...
    $7.70
    $7.70
  • BBI - #8-32x1 1/4" - Imperial 304 Button Socket Screw UNC | 702111
    BBI - #8-32x1 1/4" - Imperial 304 Button Socket Screw UNC | 702111
    BBI - #8-32x1 1/4" - Imperial 304 Button Socket Screw UNC | 702111This BBI #8-32x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #8-32x1 Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $1.61
    $1.61
  • BBI - #8-32x7/8" - Imperial 304 Button Socket Screw UNC | 702108
    BBI - #8-32x7/8" - Imperial 304 Button Socket Screw UNC | 702108
    BBI - #8-32x7/8" - Imperial 304 Button Socket Screw UNC | 702108This BBI #8-32x7/8" is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #8-32x7/8" Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for corrosion...
    $0.93
    $0.93
  • BBI - #8-32x5/16" - Imperial 304 Button Socket Screw UNC | 702102
    BBI - #8-32x5/16" - Imperial 304 Button Socket Screw UNC | 702102
    BBI - #8-32x5/16" - Imperial 304 Button Socket Screw UNC | 702102This BBI #8-32x5/16" is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #8-32x5/16" Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for corrosion...
    $0.77
    $0.77
  • BBI - #6-32x1 1/2" - Imperial 304 Button Socket Screw UNC | 702097
    BBI - #6-32x1 1/2" - Imperial 304 Button Socket Screw UNC | 702097
    BBI - #6-32x1 1/2" - Imperial 304 Button Socket Screw UNC | 702097This BBI #6-32x1 is a low-profile button head socket screw driven with an Allen key.► Key Features Size: #6-32x1 Thread: UNC Grade: Grade 304 for reliable strength Finish: 304 Stainless Steel for...
    $1.61
    $1.61

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