Key Locking Inserts

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Key locking inserts prevent rotation by using positive mechanical locks (locking keys). They are ideal for holes made of metallic materials to reinforce threads or repair stripped / damaged /... Read More

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Key Locking Thread Insert

StyleModelDrill SizeInstallationInternal Thread SizeLengthMaterialTap SizesThread TypeTypePrice (inc. GST)
A5XA1437/64"Tool 5XA441/2-200.62"Black Phosphate Steel5/8-11UNF4 Locking KeysA$ 61.64
B5XA1337/64"Tool 5XA441/2-13"0.62"Black Phosphate Steel5/8-11UNC4 Locking KeysA$ 60.97
C5WY6845/64"Tool 5XA441/2-200.62"18-8 Stainless Steel3/4-16UNF4 Locking KeysA$ 186.56
D5WY8145/64"Tool 5XA441/2-200.62"Black Phosphate Steel3/4-16UNF4 Locking KeysA$ 61.70
E5WY8345/64"Tool 5XA449/16-180.81"Black Phosphate Steel3/4-16UNF4 Locking Keys-
RFQ
F5WY6745/64"Tool 5XA441/2-13"0.62"18-8 Stainless Steel3/4-16UNC4 Locking Keys-
RFQ
G5WY8045/64"Tool 5XA441/2-13"0.62"Black Phosphate Steel3/4-16UNC4 Locking KeysA$ 59.23
H5WY8245/64"Tool 5XA449/16-120.81"Black Phosphate Steel3/4-16UNC4 Locking KeysA$ 91.34
I5WY8453/64"Tool 5XA455/8-110.87"Black Phosphate Steel7/8-14UNC4 Locking KeysA$ 103.62
J5WY8553/64"Tool 5XA455/8-180.87"Black Phosphate Steel7/8-14UNF4 Locking KeysA$ 107.91
K5XA18QTool 5XA411/4-280.37"18-8 Stainless Steel3/8-16UNF2 Locking KeysA$ 67.02
L5XA17QTool 5XA411/4-200.37"18-8 Stainless Steel3/8-16UNC2 Locking KeysA$ 66.86
M5WY62XTool 5XA411/4-280.37"18-8 Stainless Steel7/16-14UNF2 Locking KeysA$ 56.67
N5WY61XTool 5XA411/4-200.37"18-8 Stainless Steel7/16-14UNC2 Locking KeysA$ 54.52
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Thread Insert 0.310

StyleModelDrill SizeInternal Thread SizeTap SizesThread TypeWall TypePrice (inc. GST)
A5XA16I10-325/16-18UNFThinA$ 57.83
B5XA15I10-245/16-18UNCThinA$ 62.87
C5WY60Q10-323/8-16UNFThickA$ 49.77
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Thread Insert Locking

StyleModelDrill SizeInstallationInternal Thread SizeLengthTap SizesThread TypeTypeWall TypePrice (inc. GST)
A5WY9929/64"Tool 5XA433/8-160.5"1/2-13UNC4 Locking KeysThinA$ 81.84
B5WY7529/64"Tool 5XA425/16-240.43"1/2-13UNF4 Locking KeysThickA$ 76.29
C5WY7429/64"Tool 5XA425/16-180.43"1/2-13UNC4 Locking KeysThickA$ 73.12
D5XA1029/64"Tool 5XA433/8-240.5"1/2-13UNF4 Locking KeysThinA$ 85.11
E5WY7633/64"Tool 5XA433/8-160.5"9/16-12UNC4 Locking KeysThickA$ 86.63
F5WY7733/64"Tool 5XA433/8-240.5"9/16-12UNF4 Locking KeysThickA$ 85.26
G5XA1133/64"Tool 5XA437/16-140.62"9/16-12UNC4 Locking KeysThinA$ 108.53
H5XA1233/64"Tool 5XA437/16-200.62"9/16-12UNF4 Locking KeysThinA$ 111.35
I5WY7837/64"Tool 5XA437/16-140.62"5/8-11UNC4 Locking KeysThickA$ 109.96
J5WY7937/64"Tool 5XA437/16-200.62"5/8-11UNF4 Locking KeysThickA$ 109.77
K5WY94ITool 5XA4010-320.31"5/16-18UNF2 Locking KeysThinA$ 73.82
L5WY93ITool 5XA4010-240.31"5/16-18UNC2 Locking KeysThinA$ 76.01
M5WY69ITool 5XA398-320.31"5/16-18UNC4 Locking KeysThickA$ 125.37
N5WY70QTool 5XA4010-240.31"3/8-16UNC2 Locking KeysThickA$ 66.12
O5WY96QTool 5XA411/4-280.37"3/8-16UNF2 Locking KeysThinA$ 67.68
P5WY95QTool 5XA411/4-200.37"3/8-16UNC2 Locking KeysThinA$ 64.65
Q5WY71QTool 5XA4010-320.31"3/8-16UNF2 Locking KeysThickA$ 65.43
R5WY98XTool 5XA425/16-240.43"7/16-14UNF4 Locking KeysThinA$ 71.38
S5WY97XTool 5XA425/16-180.43"7/16-14UNC4 Locking KeysThinA$ 71.18
T5WY72XTool 5XA411/4-200.37"7/16-14UNC2 Locking KeysThickA$ 67.90
U5WY73XTool 5XA411/4-280.37"7/16-14UNF2 Locking KeysThickA$ 67.90
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Thread Insert, 0.430

StyleModelDrill SizeInternal Thread SizeTap SizesThread TypeWall TypePrice (inc. GST)
A5WY6329/64"5/16-181/2-13UNCThickA$ 83.03
B5WY6429/64"5/16-241/2-13UNFThickA$ 84.21
C5XA19X5/16-187/16-14UNCThinA$ 102.71
D5XA20X5/16-247/16-14UNFThinA$ 115.73
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Thread Insert, 0.500

StyleModelDrill SizeInternal Thread SizeTap SizesThread TypeWall TypePrice (inc. GST)
A5XA2129/64"3/8-161/2-13UNCThinA$ 125.82
B5XA2229/64"3/8-241/2-13UNFThinA$ 149.01
C5WY6533/64"3/8-169/16-12UNCThick-
RFQ
D5WY6633/64"3/8-249/16-12UNFThickA$ 99.15
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Threaded Insert

StyleModelDrill SizeInstallationInternal Thread SizeLengthMaterialTap SizesThread TypeTypePrice (inc. GST)
A5WY871-1/16"Tool 5XA463/4-161.12"Black Phosphate Steel13UNF4 Locking KeysA$ 30.08
B5WY861-1/16"Tool 5XA463/4-101.12"Black Phosphate Steel13UNC4 Locking Keys-
RFQ
C5WY921-5/16"Tool 5XA471-141.37"Black Phosphate Steel13/8-12UNS4 Locking KeysA$ 111.51
D5WY901-5/16"Tool 5XA471-81.37"Black Phosphate Steel13/8-12UNC4 Locking KeysA$ 103.98
E5WY911-5/16"Tool 5XA471-121.37"Black Phosphate Steel13/8-12UNF4 Locking KeysA$ 103.00
F5WY881.187"Tool 5XA467/8-91.25"Black Phosphate Steel13UNC4 Locking Keys-
RFQ
G5WY891.187"Tool 5XA467/8-141.25"Black Phosphate Steel13UNF4 Locking KeysA$ 47.34
H5XA316.9mmTool 5XA40M5 x 0.8mm8"Black Phosphate SteelM8 x 1.25mmMetric2 Locking KeysA$ 61.42
I5XA266.90mmTool 5XA40M5 x 0.88"18-8 Stainless SteelM8 x 1.25mmMetric2 Locking KeysA$ 108.38
J5XA328.8mmTool 5XA41M6 x 110"Black Phosphate SteelM10 x 1.25mmMetric2 Locking KeysA$ 64.42
K5XA278.80mmTool 5XA41M6 x 110"18-8 Stainless SteelM10 x 1.25mmMetric2 Locking KeysA$ 98.11
L5XA3410.8mmTool 5XA42M8 x 1.2512"Black Phosphate SteelM12 x 1.25mmMetric4 Locking KeysA$ 64.71
M5XA3310.80mmTool 5XA42M8 x 112"Black Phosphate SteelM12 x 1.25mmMetric4 Locking KeysA$ 71.42
N5XA2810.80mmTool 5XA42M8 x 1.2512"18-8 Stainless SteelM12 x 1.25mmMetric4 Locking KeysA$ 120.27
O5XA3612.8mmTool 5XA43M10 x 1.514"Black Phosphate SteelM14 x 1.5mmMetric4 Locking KeysA$ 81.02
P5XA2912.80mmTool 5XA43M10 x 1.514"18-8 Stainless SteelM14 x 1.5mmMetric4 Locking KeysA$ 130.67
Q5XA3512.80mmTool 5XA43M10 x 1.2514"Black Phosphate SteelM14 x 1.5mmMetric4 Locking KeysA$ 89.58
R5XA3014.75mmTool 5XA44M12 x 1.751618-8 Stainless SteelM16 x 1.5mmMetric4 Locking KeysA$ 142.91
S5XA3714.75mmTool 5XA44M12 x 1.2516Black Phosphate SteelM16 x 1.5mmMetric4 Locking KeysA$ 116.30
T5XA3814.75mmTool 5XA44M12 x 1.7516Black Phosphate SteelM16 x 1.5mmMetric4 Locking KeysA$ 100.28
U5XA2333/64"Tool 5XA437/16-140.62"18-8 Stainless Steel9/16-12UNC4 Locking KeysA$ 146.69
V5XA2437/64"Tool 5XA441/2-13"0.62"18-8 Stainless Steel5/8-11UNC4 Locking KeysA$ 136.15
W5XA2537/64"Tool 5XA441/2-200.62"18-8 Stainless Steel5/8-11UNF4 Locking KeysA$ 140.31
APPROVED VENDOR -

Thread Insert 10-24 0.310 L, 5PK

ModelItemPrice (inc. GST)
5WY59AE7CNWA$ 52.10

Key Locking Inserts

Key locking inserts prevent rotation by using positive mechanical locks (locking keys). They are ideal for holes made of metallic materials to reinforce threads or repair stripped / damaged / worn-out threads. These units can be easily installed and removed using standard drills / hand / installation tools, without damaging the surfaces or materials. They provide more strength, versatility & resilient operation than traditional threaded holes for accommodating fasteners like screws, bolts & threaded rods.

Features

  • Key locking inserts have 2 or 4 locking keys to hold them in place in applications involving metals (excluding cast iron or brittle materials).
  • Inserts with greater internal thread have 4 locking keys whereas smaller inserts generally come with only 2 locking keys.
  • They have high strength compared to other inserts, owing to their solid, one-piece construction (stainless steel or black phosphate steel).
  • They offer a strong connection to the fastener while preventing wear, corrosion or over-torque.
  • These inserts are available in UNC, UNF, UNS & Metric thread sizes, with lengths ranging from 0.31 to 1.37 inches (Imperial) & 8 to 16 mm (Metric).

Frequently Asked Questions

How to choose the length of a key locking insert?

The insert should have a minimum length as that of the desired screw diameter. Users can also select inserts that have longer lengths for greater holding strength. The exact insert length can differ based on the application & the material. Materials like steel do not require long inserts, whereas applications with soft materials like aluminium might need a longer insert.

How to install a key locking thread insert?

  • Drill a hole according to the required insert / screw / bolt length using the suggested drill bit size.
  • Thread the drilled hole using a tap and wind the insert into the hole.
  • Drive the key into the material for a secure hold, using the installation tool & a hammer.

How to remove key locking inserts once installed?

  • Drill the insert to the appropriate size & depth.
  • Bend and break off the keys.
  • Remove the insert from the hole by using a screw extractor or similar tool.
  • Install a replacement key-locking insert into the original hole.

What is the difference between key locking inserts and thread locking inserts?

Key locking inserts use distorted internal threads & / or locking keys to form the strongest hold of all threaded inserts and secure screws & inserts in place. On the other hand, thread locking inserts use adhesives that reach full strength after some time, for keeping inserts in place.

What are the advantages of a key locking insert over a helical threaded insert?

Helical threaded inserts usually have a tang or piece of material that acts as a catch point for the installation tool. When the tang is broken off during installation, it can end up loose inside the application and cause short-circuiting or other malfunctions. There is no such danger with key locking inserts, making them a safer solution.

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