► 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 - M12-1.75x130mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549223
    BBI - M12-1.75x130mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549223
    BBI - M12-1.75x130mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549223This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $23.27
    $23.27
  • BBI - M12-1.75x120mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549222
    BBI - M12-1.75x120mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549222
    BBI - M12-1.75x120mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549222This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $22.21
    $22.21
  • BBI - M12-1.75x110mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549221
    BBI - M12-1.75x110mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549221
    BBI - M12-1.75x110mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549221This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $21.15
    $21.15
  • BBI - M12-1.75x100mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549220
    BBI - M12-1.75x100mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549220
    BBI - M12-1.75x100mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549220This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $11.10
    $11.10
  • BBI - M12-1.75x90mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549218
    BBI - M12-1.75x90mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549218
    BBI - M12-1.75x90mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549218This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $10.10
    $10.10
  • BBI - M12-1.75x80mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549216
    BBI - M12-1.75x80mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549216
    BBI - M12-1.75x80mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549216This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $9.52
    $9.52
  • BBI - M12-1.75x70mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549212
    BBI - M12-1.75x70mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549212
    BBI - M12-1.75x70mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549212This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $7.78
    $7.78
  • BBI - M12-1.75x60mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549208
    BBI - M12-1.75x60mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549208
    BBI - M12-1.75x60mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549208This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $7.39
    $7.39
  • BBI - M12-1.75x55mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549206
    BBI - M12-1.75x55mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549206
    BBI - M12-1.75x55mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549206This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $7.38
    $7.38
  • BBI - M12-1.75x50mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549204
    BBI - M12-1.75x50mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549204
    BBI - M12-1.75x50mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549204This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $6.01
    $6.01
  • BBI - M12-1.75x45mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549202
    BBI - M12-1.75x45mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549202
    BBI - M12-1.75x45mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549202This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $5.87
    $5.87
  • BBI - M12-1.75x40mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549200
    BBI - M12-1.75x40mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549200
    BBI - M12-1.75x40mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549200This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $5.29
    $5.29
  • BBI - M12-1.75x35mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549198
    BBI - M12-1.75x35mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549198
    BBI - M12-1.75x35mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549198This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $4.89
    $4.89
  • BBI - M12-1.75x30mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549196
    BBI - M12-1.75x30mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549196
    BBI - M12-1.75x30mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549196This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $4.80
    $4.80
  • BBI - M12-1.75x25mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549194
    BBI - M12-1.75x25mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549194
    BBI - M12-1.75x25mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549194This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $3.73
    $3.73
  • BBI - M12-1.75x20mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549192
    BBI - M12-1.75x20mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549192
    BBI - M12-1.75x20mm (Ft) - Metric Socket Head Cap Screw A4-70 (316) | 549192This BBI M12 is a cylindrical socket head cap screw driven with an Allen key for high-torque clamping.► Key Features Size: M12 Grade: A4 for reliable strength Finish: 316 Stainless Steel...
    $3.66
    $3.66
  • BBI - M10-1.50x150mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549181
    BBI - M10-1.50x150mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549181
    BBI - M10-1.50x150mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549181This 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...
    $19.22
    $19.22
  • BBI - M10-1.50x140mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549180
    BBI - M10-1.50x140mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549180
    BBI - M10-1.50x140mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549180This 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...
    $17.43
    $17.43
  • BBI - M10-1.50x130mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549179
    BBI - M10-1.50x130mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549179
    BBI - M10-1.50x130mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549179This 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...
    $15.79
    $15.79
  • BBI - M10-1.50x120mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549178
    BBI - M10-1.50x120mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549178
    BBI - M10-1.50x120mm (Pt) - Metric Socket Head Cap Screw A4-70 (316) | 549178This 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...
    $13.92
    $13.92

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