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ACCU-LOK® II blind fastener for composite application - low profile protruding head - titanium for robotic installation.
Unit of Measure

Dash Number (Grip)

1650

Grip Range - Min. Grip

1.600 in

Grip Range - Max. Grip

1.650 in

Grip Range

1.600-1.650 in

A

0.541 in

D

0.260 in

E Ref

0.260 in

F Wrench Flats

0.135 in

G Ref

0.055 in

H

0.085 in

L Ref

0.700 in

R Rad

0.030 in

Z Max

0.040 in

g

0.062 in

c Max

0.022 in

r

0.040 in

Minimum available grip length

-150

Recommended Hole Size

0.260-0.263

J Dia Min

0.400 in

K Max

0.450 in

Break Off Limits

0.000-0.103

Tensile Structural Failure (Min)

2100 lb

Double Shear Min

7900 lb

Locking Torque Min

2.500 lb-in0.282 N-m

Material

1.Nut: 6AL-4V titanium per AMS 4928 or AMS 4967.
2.Screw: A286 per AMS 5731, AMS 5732 or AMS 5737.
3.Sleeve: 304 stainless steel per AMS 5639.
4. Insert: Acetal per ASTM D4181.
5. Drive nut: Mild steel.
6. Drive cylinder: Mild steel.

Heat Treat

1.Nut: Heat treat per MIL-H-81200.
2.Screw: Heat treated to 175 ksi tensile minimum.
3.Sleeve: Heat treated as required for performance.

Finish

1.Nut: KAL-GARD ANN-RO #1012 conversion coating or phosphate fluoride per AMS 2486 may be used at manufacturer´s option.
2.Screw: KAL-GARD ANN-RO #1013 conversion coating optional.
3.Sleeve: Passivated per AMS 2700.
4.Insert: None
Drive nu

Lubricants

1. The following lubricants may be applied to any or all components in any combination as required for performance unless otherwise specified: Dry film lube per AS5272, Type I, everlube #812, parafin wax, or cetyl alcohol per AS87132.

Applicable Specification

1.Procurement specification: FCBF200
2.Special lube and finish: FCBF202
3.ACCU-LOKTM blind fastener: FCBF204

Material Type

Titanium

Rated Shear Strength

75 KSI

Headstyle

Protruding