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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)

N/A 650

Grip Range - Min. Grip

N/A 0.600 in

Grip Range - Max. Grip

N/A 0.650 in

Grip Range

N/A 0.600-0.650 in

A

N/A 0.354 in

D

N/A 0.165 in

E Ref

N/A 0.164 in

F Wrench Flats

N/A 0.085 in

G Ref

N/A 0.017 in

H

N/A 0.060 in

L Ref

N/A 0.512 in

R Rad

N/A 0.030 in

Z Max

N/A 0.030 in

g

N/A 0.042 in

c Max

N/A 0.030 in

r

N/A 0.030 in

Minimum available grip length

N/A -100

Recommended Hole Size

N/A 0.165-0.168

J Dia Min

N/A 0.250 in

K Max

N/A 0.300 in

Break Off Limits

N/A 0.000-0.103

Tensile Structural Failure (Min)

N/A 900 lb

Double Shear Min

N/A 3150 lb

Locking Torque Min

N/A 1.000 lb-in0.113 N-m

Material

N/A 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

N/A 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

N/A 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

N/A 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

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

Material Type

N/A Titanium

Rated Shear Strength

N/A 75 KSI

Headstyle

N/A Protruding

Notes

N/A 6. Locking feature consist of three (3) indentation located 120° apart on the periphery of the nut component approximately .040 above intersection of the nut nose angle O.D.
<7> Alternate heading marking ("VS") and "2010".
8. Composite blind fasteners with selected combinations of the above lubrications and finishes are specially coded and may be substituted for equivalent non-coded parts at manufactures option. Contact Howmet Fasteners Systems.
<9> Distortion shall be not prevent insertion of the fastener into a ring gage of length equal to one diameter and hole diameter equal to a minimum recommended hole. Insertion force shall not exceed 5.0 lbs.