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) |
WeChat
Scan the QR Code with wechat