← Tooling guide

Visu-Lok tooling, gauges and removal

Monogram · Hex-drive blind bolt · Family page · Shop verification card

By diameter

Dia.Published tool + noseOther accessGauges
-5MP550DN-5AA (MP550 + MPP-08 + MP-05)Right angle, Close quarterVLS-1A, MGF-05, MGP-05, MHTFDN-( ) / MHTPDN-( )
-6MP550DN-6AA (MP550 + MPP-08 + MP-06)Right angle, Close quarterVLS-1A, MGF-06, MGP-06, MHTFDN-( ) / MHTPDN-( )
-8MP550DN-8AA (MP550 + MPP-08 + MP-08)Right angle, Close quarterVLS-1A, MGF-08, MGP-08, MHTFDN-( ) / MHTPDN-( )
-10MP550DN-11AA (MP550 + MPPDN + MP-10)Close quarterVLS-1A, MGF-10, MGP-10, MHTFDN-( ) / MHTPDN-( )
-12MP550DN-12AA (MP550 + MPP-12 + MP-12)Close quarterVLS-1A, MGF-12, MGP-12, MHTFDN-( ) / MHTPDN-( )
Tools, heads, adapters and gaugesCited tables

Published tool combinations

Installation tools

Grip, hole and inspection gauges

Tooling source notes

  • PLT5002 §7.5: "In those instances where special driving tools are adopted by the user, wrenching speed of this tooling shall not exceed 600 RPM."Specification, not interview: Monogram PLT5002 Rev N.
  • Alternative tooling works in practice: roughly 500 RPM with the right torque and fittings, and shops fabricate the fittings in house. Check it against the manufacturer's speed limit for user-adopted tools before relying on it.Installer interview (aerospace tool services), 2026-09-25. Field experience, not a specification.
  • Monogram factory tooling was quoted at 23 to 24 weeks lead time. Order tooling with, or before, the first fasteners.Installer interview (aerospace tool services), 2026-09-25. Field experience, not a specification.
  • Repair access is the edge case that bites: you can't strip the surrounding structure during a repair, and some jobs need 90° drills and heads. Know the tool envelope during design.Installer interview (aerospace tool services), 2026-09-25. Field experience, not a specification.
Removal (drill-out)Published procedure

Monogram PLT5002 Rev N (Visu-Lok II), §8.0 and Figure 9 (RK5000 kit)

  1. “Visu-Lok II may be removed with the tooling shown in Figure 9 of this specification. Complete kits are available from Monogram Aerospace Fasteners. Contact factory for details.” Monogram PLT5002 Rev N (Visu-Lok II install spec), p.17, §8.0 ↗
  2. “Corebolt protrusion should be milled flush prior to removal.” Monogram PLT5002 Rev N (Visu-Lok II install spec), p.12, Figure 9, Table 9, RK5000 Fastener Removal Kit ↗
  3. “A complete tool consists of the air motor module, a nose piece module and a carbide.” Monogram PLT5002 Rev N (Visu-Lok II install spec), p.12, Figure 9, Table 9, RK5000 Fastener Removal Kit ↗
  4. “One blank receptacle #RC3076 should also be ordered for use with the depth to facilitate set up.” Monogram PLT5002 Rev N (Visu-Lok II install spec), p.12, Figure 9, Table 9, RK5000 Fastener Removal Kit ↗

Cautions

Removal tooling and drill sizes

Nominal diameterNose piece, flushNose piece, protruding hexCarbide star drillDrill size dia. +.0000/.0005Depth gage
-5 (.1635)RM3081-05RM3082-05RM3050-05.1540RC3031-5
-6 (.1980)RM3081-06RM3082-06RM3050-06.1890RC3031-6
-8 (.2580)RM3081-08RM3082-08RM3050-08.2500RC3031-8
-10 (.3105)RM3153-10RM3152-10RM3050-10.3020RC3156-10
-12 (.3735)RM3153-12RM3152-12RM3050-12.3590RC3156-12

Monogram PLT5002 Rev N (Visu-Lok II install spec), p.12, Figure 9, Table 9, RK5000 Fastener Removal Kit ↗

None of the removal procedures on file gives a composite-specific removal caution. The Monogram specs address composite at the hole instead: holes "reasonably round and free from burrs (metallic structure) and delamination (graphite/epoxy type structure)" (MBF2003 §5.1).

Tool tables are the manufacturer's as published in the cited revision; confirm current tool PNs with the manufacturer or distributor before purchase. Not a certified process authority: install and remove per the OEM process specification.

Next · Step 4: Order

Put the tooling on the RFQ

The RFQ package adds these tools and gauges for the diameters on your lines, so the supplier quotes them with the fasteners.

Open the RFQ package →Visu-Lok part numbers →