EFC International
EFC International
1940 Craigshire St. Louis,
MO 63146-4008
Phone: 1 314.434.28881
Contact: www.efc-intl.com/contact
Website: www.efc-intl.com
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The Low Profile Knurled Threaded Insert features a knurled body with a smaller diameter, reduced profile head to provide virtually flush installation without special hole preparation. Countersink drilling or dimpling of the parent material can be eliminated. During insertion, the knurled body expands 360° to fill the hole, creating exceptional torque strength and resistance to vibration. A backside flange is also formed, even in multiple thicknesses of materials without any need for adjustments. These inserts are to be used with Grade 5 or Metric 8.8/9.8 mating screws. All sizes available are listed on this page, in a representative sampling of materials, finishes and end options (Open Ends for most versatility, and Closed Ends to eliminate leakage past threads).
Low Profile Knurled Threaded Inserts
Unit of Measure
1 2 3 4 5 

Item #

Item Name

Head Height

Head Outside Diameter

Maximum Grip Size

06634009-26Q N/A AK Type Aluminum 5056 Low Profile Knurled Blind Threaded Insert N/A 0.022 in N/A 0.595 in N/A 0.150 in
06700012-70Q N/A AK Type Brass 270/260 Low Profile Knurled Blind Threaded Insert N/A 0.022 in N/A 0.595 in N/A 0.150 in
06000290-07Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.022 in N/A 0.595 in N/A 0.150 in
06632009-02Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.022 in N/A 0.595 in N/A 0.150 in
06000366-04Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.022 in N/A 0.595 in N/A 0.312 in
06633009-02Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.022 in N/A 0.595 in N/A 0.312 in
06700229-06Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A N/A N/A 0.150 in
06632010-02Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A N/A N/A 0.150 in
06000347-39Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06634001-26Q N/A AK Type Aluminum 5056 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06636001-70Q N/A AK Type Brass 270/260 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06700265-33Q N/A AK Type Monel 400 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06000304-07Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06632001-02Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06700368-54 N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06635001-26 N/A AK Type Aluminum 5056 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.130 in
06600391-06Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.130 in
06700369-54 N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.130 in
06700090-04Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06638002-02Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06634002-26Q N/A AK Type Aluminum 5056 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06700097-02Q N/A AK Type Brass 270/260 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06000271-07Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06620002-02Q N/A AK Type Steel 1010/1008 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.080 in
06700158-99 N/A AK Type Aluminum 5056 Low Profile Knurled Blind Threaded Insert N/A 0.019 in N/A 0.310 in N/A 0.130 in
Unit of Measure
1 2 3 4 5