RED HEAD Sleeve Anchor: 4 in Overall Lg, 3/8 in Dia, 5/16"-18 Thread Size, Stainless Steel
The RED HEAD Sleeve Anchor (MPN SFS-3840) is a flat-head sleeve anchor with a 4 in overall length, 3/8 in diameter, and 5/16"-18 thread size, supplied in a 50-pack of stainless steel. This product is interpreted and…
SKU 3G-OTH-521213
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The RED HEAD Sleeve Anchor (MPN SFS-3840) is a flat-head sleeve anchor with a 4 in overall length, 3/8 in diameter, and 5/16"-18 thread size, supplied in a 50-pack of stainless steel. This product is interpreted and sourced by 3G Electric, a global industrial solutions provider that delivers genuine equipment across 14 departments—including fasteners and hardware—with specialist depth in combustion, pumps, and controls as an authorised distributor for brands like RED HEAD.
Frequently Asked Questions
What is the RED HEAD Sleeve Anchor SFS-3840 used for?
The RED HEAD Sleeve Anchor SFS-3840 is a flat-head sleeve anchor used for fastening fixtures, equipment, and structural elements to concrete, brick, or block. Its 3/8 in diameter and 5/16"-18 thread size suit medium-duty industrial mounting. 3G Electric supplies this stainless steel 50-pack globally.
What are the specifications of the RED HEAD Sleeve Anchor SFS-3840?
The RED HEAD Sleeve Anchor SFS-3840 has a 4 in overall length, 3/8 in diameter, and 5/16"-18 thread size. It is made of stainless steel and comes in a 50-pack. The manufacturer part number is SFS-3840. 3G Electric sources this genuine RED HEAD fastener for worldwide delivery.
Where to buy RED HEAD Sleeve Anchor SFS-3840 worldwide?
3G Electric supplies the RED HEAD Sleeve Anchor SFS-3840 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this stainless steel 50-pack to your facility. Contact us to order the genuine RED HEAD flat-head sleeve anchor for your project.
How to install a RED HEAD Sleeve Anchor?
To install a RED HEAD Sleeve Anchor, drill a hole in the base material to the specified depth, clean the hole, insert the anchor through the fixture, and tighten the nut to the recommended torque. The stainless steel construction resists corrosion. 3G Electric provides sourcing support for this fastener.
RED HEAD Products
3G Electric supplies RED HEAD flat-head sleeve anchors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.


