Brand Name: KernalCoil Thread Insert
Material: Stainless steel 304
Surface Treatment: Stainless Steel-Passivated
Type: Metrict Free Running
Place of Origin: Shenzhen, Guangdong
Reliability Test: Dimensions, hardness test, salt spray endurance test
OEM/ODM Service: Acceptable
Certification: ISO 9001:2015, IATF 16949:2016, SGS
Application: Aviation, Automotive, Machinery, Motorsport and other industry
Lead Time: Standard Inserts in stock
Packing: Paper packing or Plastic packing+Carton packing+Wooden packing
Price Terms: EXW/FOB/CIF/CFR/FCA/CPT/CIP etc.
Detail
Tangless Threaded Inserts feature fishhook-style locking grooves at both ends, enabling bidirectional installation with dedicated tools. This eliminates directional alignment requirements - a critical efficiency advantage over traditional tang-type inserts. With no installation tang removal process, productivity increases by 30%+ while preventing common issues: thread damage, debris generation, and tool wear associated with tang detachment.
![]()

No-Tail Wire Thread Inserts: Next-Gen Fastening Solution with Break-off Tab-Free Design
Engineered as an advanced iteration of conventional wire thread inserts, no-tail inserts eliminate historical installation inefficiencies while optimizing production workflows. This innovative fastener addresses critical limitations of traditional counterparts:
Key Advantages:
Break-off tab-free structure removes post-installation debris risks
Rotational installation tool enables bidirectional installation (clockwise/counter-clockwise)
Precision-engineered fracture control prevents residual protrusions
40% faster installation cycle vs standard wire thread inserts
Zero directional constraints during assembly
![]()
Tangless vs. Tang-Type Threaded Inserts: Key Differences

1. Simplified Installation
Tangless threaded inserts feature a direction-free design for effortless installation, eliminating the complex tang-removal step required for traditional tang-type inserts. This streamlines workflows, reduces labor time, and boosts productivity.
2. Zero Post-Installation Processing
Tangless inserts require no post-installation tang removal, preventing debris retention risks that can compromise product integrity. Tang-type inserts demand manual tang breakage, increasing contamination potential in precision applications.
3. Scalable Tool Compatibility
Tangless inserts support bulk installation with specialized pneumatic/electric tools and mounting fixtures, ideal for high-volume production. This tooling ecosystem ensures consistent results while optimizing assembly line efficiency.
![]()

|
Metric Thread |
Kxd |
L |
W |
d1 min. |
d1 max. |
B Tap Drill Size |
|
M3x0.5 |
1d |
3.00 |
3.750 |
3.80 |
4.35 |
3.20 |
|
1.5d |
4.50 |
6.375 |
3.80 |
4.35 |
3.20 |
|
|
2d |
6.00 |
8.875 |
3.80 |
4.35 |
3.20 |
|
|
M4x0.7 |
1d |
4.00 |
3.625 |
5.05 |
5.60 |
4.20 |
|
1.5d |
6.00 |
6.125 |
5.05 |
5.60 |
4.20 |
|
|
2d |
8.00 |
8.625 |
5.05 |
5.60 |
4.20 |
|
|
M5x0.8 |
1d |
5.00 |
4.125 |
6.25 |
6.80 |
5.20 |
|
1.5d |
7.50 |
6.875 |
6.25 |
6.80 |
5.20 |
|
|
2d |
10.00 |
9.625 |
6.25 |
6.80 |
5.20 |
|
|
M6x1.0 |
1d |
6.00 |
4.000 |
7.40 |
7.95 |
6.30 |
|
1.5d |
9.00 |
6.750 |
7.40 |
7.95 |
6.30 |
|
|
2d |
12.00 |
9.500 |
7.40 |
7.95 |
6.30 |
|
|
M8x1.25 |
1d |
8.00 |
4.500 |
9.80 |
10.35 |
8.40 |
|
1.5d |
12.00 |
7.375 |
9.80 |
10.35 |
8.40 |
|
|
2d |
16.00 |
10.250 |
9.80 |
10.35 |
8.40 |
|
|
M10x1.5 |
1d |
10.00 |
4.875 |
11.95 |
12.50 |
10.50 |
|
1.5d |
15.00 |
8.000 |
11.95 |
12.50 |
10.50 |
|
|
2d |
20.00 |
11.125 |
11.95 |
12.50 |
10.50 |
|
|
M12x1.75 |
1d |
12.00 |
5.000 |
14.30 |
15.00 |
12.50 |
|
1.5d |
18.00 |
8.250 |
14.30 |
15.00 |
12.50 |
|
|
2d |
24.00 |
11.500 |
14.30 |
15.00 |
12.50 |
|
|
M14x2.0 |
1d |
14.00 |
5.250 |
16.80 |
17.50 |
14.50 |
|
1.5d |
21.00 |
8.575 |
16.80 |
17.50 |
14.50 |
|
|
2d |
28.00 |
11.900 |
16.80 |
17.50 |
14.50 |

English


