Collated Screw Series

RSM
644SFL

316 stainless self-drill. 100-screw coil. Stand-up driving into aluminum frames without pre-drilling.

The Flagship Screw

Self-Drill.
One Pass.
No Pre-Drill.

The RSM644SFL is Muro's top-selling collated screw. Built for OEM manufacturing environments where workers are driving hundreds of fasteners per shift into aluminum frames, plywood subfloors, and composite panels. Self-drilling tip eliminates the pilot-hole step entirely. 100-screw coil means production never stops to reload.

100
Screws per coil
316 SS
Marine grade stainless
Zero
Pre-drilling required
Specifications

Built to Spec.
Every Time.

Fastener Details
ModelRSM644SFL
Size44mm / 1-3/4" total
Material410 Stainless Steel
Tip TypeSelf-drilling (no pre-drill)
Drive TypeCollated, auto-feed
Coil Count100 screws
Application
Primary UsePontoon & marine OEM
SubstrateAluminum frame / plywood
EnvironmentMarine / saltwater rated
CertificationsQuote only - contact us
PricingQuote only
100 screws.
Zero stops.
Why RSM644SFL

What Sets It Apart

100
Screws Per Coil
Competitors run 30 to 50 per strip. Our 100-screw coil keeps workers in position and production moving. Fewer reloads per shift means measurable time savings at scale.
316
Marine Grade SS
316 stainless rated for saltwater and marine environments. Approved for pontoon and boat assembly applications where corrosion is a long-term liability.
1-Pass
Self-Drilling Tip
Bores through plywood and into aluminum extrusion in a single pass. Eliminates the pilot hole step entirely. One tool, one motion, board seated flush.
In Production
Stand-up driving.
All shift long.
In Action

The Super Wing Screw
Explained.

Get Pricing
RSM644SFL is
quote only.
Call 1-800-665-6876 See the Tool →