► 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 - M10-1.50x110mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549177
    BBI - M10-1.50x110mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549177
    BBI - M10-1.50x110mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549177This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $10.68
    $10.68
  • BBI - M10-1.50x100mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549176
    BBI - M10-1.50x100mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549176
    BBI - M10-1.50x100mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549176This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $8.49
    $8.49
  • BBI - M10-1.50x90mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549175
    BBI - M10-1.50x90mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549175
    BBI - M10-1.50x90mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549175This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $7.78
    $7.78
  • BBI - M10-1.50x80mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549172
    BBI - M10-1.50x80mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549172
    BBI - M10-1.50x80mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549172This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $6.92
    $6.92
  • BBI - M10-1.50x75mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549170
    BBI - M10-1.50x75mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549170
    BBI - M10-1.50x75mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549170This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $7.43
    $7.43
  • BBI - M10-1.50x70mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549168
    BBI - M10-1.50x70mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549168
    BBI - M10-1.50x70mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549168This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $5.55
    $5.55
  • BBI - M10-1.50x65mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549166
    BBI - M10-1.50x65mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549166
    BBI - M10-1.50x65mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549166This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $7.16
    $7.16
  • BBI - M10-1.50x60mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549164
    BBI - M10-1.50x60mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549164
    BBI - M10-1.50x60mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549164This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $5.02
    $5.02
  • BBI - M10-1.50x55mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549162
    BBI - M10-1.50x55mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549162
    BBI - M10-1.50x55mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549162This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $4.71
    $4.71
  • BBI - M10-1.50x50mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549160
    BBI - M10-1.50x50mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549160
    BBI - M10-1.50x50mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549160This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $4.23
    $4.23
  • BBI - M10-1.50x45mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549158
    BBI - M10-1.50x45mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549158
    BBI - M10-1.50x45mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549158This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $4.27
    $4.27
  • BBI - M10-1.50x40mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549156
    BBI - M10-1.50x40mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549156
    BBI - M10-1.50x40mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549156This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $3.31
    $3.31
  • BBI - M10-1.50x35mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549154
    BBI - M10-1.50x35mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549154
    BBI - M10-1.50x35mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549154This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $2.80
    $2.80
  • BBI - M10-1.50x30mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549152
    BBI - M10-1.50x30mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549152
    BBI - M10-1.50x30mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549152This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $2.89
    $2.89
  • BBI - M10-1.50x25mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549150
    BBI - M10-1.50x25mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549150
    BBI - M10-1.50x25mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549150This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $2.79
    $2.79
  • BBI - M10-1.50x20mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549148
    BBI - M10-1.50x20mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549148
    BBI - M10-1.50x20mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549148This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $2.42
    $2.42
  • BBI - M10-1.50x16mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549144
    BBI - M10-1.50x16mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549144
    BBI - M10-1.50x16mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549144This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $2.36
    $2.36
  • BBI - M10-1.50x12mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549142
    BBI - M10-1.50x12mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549142
    BBI - M10-1.50x12mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549142This BBI M10 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M10 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $6.72
    $6.72
  • BBI - M8-1.25x150mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549139
    BBI - M8-1.25x150mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549139
    BBI - M8-1.25x150mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549139This BBI M8 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M8 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $11.46
    $11.46
  • BBI - M8-1.25x140mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549138
    BBI - M8-1.25x140mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549138
    BBI - M8-1.25x140mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549138This BBI M8 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M8 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $10.82
    $10.82

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