1/2-20 Keenserts are a specific size and type of threaded insert with a 1/2 inch nominal diameter and 20 threads per inch, designed for creating reliable threaded connections in various materials, particularly where high strength and resistance to loosening under vibration are critical requirements. Additionally, Kernsert serve as reliable solutions for thread repair, effectively replacing stripped or damaged threads.
Material: In Carbon Steel – C1215 or equivalent ; In Stainless Steel – 303 or equivalent
Keys – 302 CRES or equivalent
Finish: Carbon Steel – Zinc Phosphate ; Stainless Steel – Passivated
Tolerances: ±.010 inch or ±.25 mm unless specified otherwise.
| Part number |
Dimensions |
| Standard “KN” |
Self-locking “KNL” |
Internal thread Ø Tol.- 3B |
External thread Ø Tol.- 2A mod. |
Shear engagement inch² (mm²) |
L1 inch (mm) |
L4 inch (mm) |
| KN1032J |
|
10-32 |
5/16-18 |
0,1517 (97,9) |
0,31 (7,87) |
|
|
KNL 1032J |
0,0945(61,0) |
0,31 (7,87) |
| KN1024J |
|
10-24 |
5/16-18 |
0,1517 (97,9) |
0,31 (7,87) |
|
|
KNL 1024J |
0,0945 (61,0) |
0,31 (7,87) |
| KN428J |
|
1/4-28 |
3/8-16 |
0,2371 (153,0) |
0,37 (9,40) |
|
|
KNL .428J |
0,1726(111,4) |
0,33 (8,38) |
| KN420J |
|
1/4- 20 |
3/8-16 |
0,2371 (153,0) |
0,37 (9,40) |
|
|
KNL .420J |
0,1726(111,4) |
0,36(9,14) |
| KN524J |
|
5/1 6-24 |
7/16-14 |
0,3049 (196,7) |
0,43(10,9) |
|
|
KNL .524J |
0,2321 (149,7) |
0,34 (8,64) |
| KN518J |
|
5/16-18 |
7/16-14 |
0,3049 (196,7) |
0,43 (10,9) |
|
|
KNL 518J |
0,2321 (149,7) |
0,37 (9,40) |
| KN624J |
|
3/8-24 |
1/2-13 |
0,4299 (277,4) |
0,50(12,7) |
|
|
KNL 624J |
0,3366(217,2) |
0,36 (9,14) |
| KN616J |
|
3/8-16 |
1/2-13 |
0,4299 (277,4) |
0,50(12,7) |
|
|
KNL .61 6J |
0,3366 (217,2) |
0,40(10,16) |
| KN720J |
|
7/16-20 |
9/16-12 |
0,5665 (365,5) |
0,56(14,2) |
|
|
KNL 720J |
0,4606 (297,2) |
0,41(10,41) |
| KN714J |
|
7/16-14 |
9/16-12 |
0,5665 (365,5) |
0,56(14,2) |
|
|
KNL 714J |
0,4606 (297,2) |
0,45(11,43) |
| KN820J |
|
1/2-20 |
5/8-11 |
0,7175 (462,9) |
0,62 (15,8) |
|
|
KNL820J |
0,5906 (381,0) |
0,42 (10,67) |
| KN813J |
|
1/2-13 |
5/8-11 |
0,7175 (462,9) |
0,62 (15,8) |
|
|
KNL .813J |
0,5906 (381,0) |
0,47 (11,94) |
Q: Are you a trading company or a manufacturer?
A: We are a manufacturer over 20 years in Shen Zhen,Ķīna .
Q: How long is your delivery time?
A: Generally it is 3 days if the goods are in stock. or it is 7days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? Is it free or extra?
A: Yes, we can provide samples for free, but no shipping fee.
Q: What are your payment terms?
A: Payment<=5000USD, 100% in advance. Payment>=5000USD, 30% T/T in advance ,balance before shippment. Welcome to other terms.
Q: What are your price terms?
A: EXW/FOB/CIF/CFR/FCA/CPT/CIP etc.
Q: What is your product range?
A: Our product range includes key locking insert, self taping thread insert, stieples vītnes ieliktnis, tailless thread insert installation tool, thread repair kit, Uc. We strictly implement various quality standards such as GB, ISO, DIN, JIS, AISI NFE, BSW, etc., and also accept non-standard products.
Q: How to guarantee the Quality of Industrial Parts?
A: We have been in fastener field over 20 years with full experience. And there are 5 checks in the whole processing, We have IQC (incoming quality control), IPQCS (in process quality control section), FQC (final quality control) and OQC (out-going quality control) to control each process of industrial parts production.
Q: Why should I choose you? What are your advantages?
A: We are a professional manufacturer with many years of production and management experience in the field of fasteners. We can provide our customers with good solutions in terms of production design, production technology, packaging and after-sales service. Customer satisfaction is our only pursuit.
Thank you for your time! Your satisfaction and good feedback are our eternal pursuit!
If you have another question, pls feel free to cotact us at any time .
Packing
Package details: 1. paper packing or plastic packing 2. carton packing 3. wooden packing
Delivery
We can provide multiple shipping methods for your goods, including sea and air, as well as multiple expresses: DHL/FedEx/UPS/TNT/SF/EMS, and so on .
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