> Nā huahana > ʻUila > Paʻi ʻUila > ʻO nā ʻīwī hoʻopaʻa poʻo ʻo Oval Countersunk - Type A Thread Forming [Pakaukau 20]

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ʻO nā ʻīwī hoʻopaʻa poʻo ʻo Oval Countersunk - Type A Thread Forming [Pakaukau 20]

E ʻike i ka hoʻokumu ʻana i ke kaula maikaʻi a me ka hoʻopaʻa paʻa ʻana me ka Slotted Oval Countersunk Head Tapping Screws e hōʻike ana i ka hiki ke hoʻokumu i ke kaula Type A, e like me nā kūlana ASME B 18.6.4 - 1998. E koho i ka hilinaʻi a me ka lōʻihi no kāu mau pono hui.

Hoʻohālike:ASME B 18.6.4

E hoʻouna i ka nīnau

Hōʻike huahana

Ka hana ʻana i ke kaula kūpono:ASME B 18.6.4 - 1998 hoʻokō ʻia ʻo Slotted Oval Countersunk Head Tapping Screws me ke ʻano A hiki ke hoʻokumu i ke kaula e hiki ai ke hana pono i ke kaula i ka wā o ka hoʻokomo ʻana. Hoʻopau kēia hiʻohiʻona i ka pono no ka hana mua, mālama i ka manawa a me ka hana i nā kaʻina hana.

Hoʻopaʻa Paʻa:Hoʻolālā ʻia me ka Type A thread forming capability, e hōʻoia kēia mau wili i kahi paʻa paʻa a paʻa, hoʻonui i ka pono o nā mea i hui ʻia. Hoʻemi kēia i ka pilikia o ka wehe ʻana a i ʻole ka wehe ʻana, e hāʻawi ana i nā hopena hoʻopaʻa pono no nā noi like ʻole.

Hoʻohana nui:ʻO ka Slotted Oval Countersunk Head Tapping Screws me ka Type A thread forming caps e kūpono i nā ʻano mea like ʻole, me ka metala, plastic, a me ka lāʻau. Inā hoʻohana ʻia i ke kūkulu ʻana, ka hana lāʻau, a i ʻole ka hana metala, hāʻawi lākou i nā hopena hoʻopaʻa pono a hilinaʻi.

Hana lōʻihi:Hana ʻia mai nā mea kiʻekiʻe kiʻekiʻe, hāʻawi kēia mau paʻi paʻi i ka lōʻihi a me ke kūpaʻa ʻana i ka corrosion, e hōʻoiaʻiʻo ana i ka hana lōʻihi a hiki i nā kaiapuni paʻakikī. ʻO kā lākou hana paʻa i kūpono no ka hoʻohana ʻana i waho a me nā ʻoihana ʻoihana.

Anawaena inoa inoa
d

d	Nui inoa
L	min
d_k	max
d_k	min
k	Ref.
f	Ref.
h	Ref.
n	max
n	min
t	max
t	min

0.0600	0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1510
3/16	3/16	3/16	7/32	1/4	1/4	5/16	3/8
0.112	0.137	0.162	0.187	0.212	0.237	0.262	0.287
0.096	0.120	0.144	0.167	0.191	0.215	0.238	0.262
0.035	0.043	0.051	0.059	0.067	0.075	0.083	0.091
0.021	0.025	0.029	0.033	0.037	0.041	0.045	0.049
0.056	0.068	0.080	0.092	0.104	0.116	0.128	0.140
0.023	0.026	0.031	0.035	0.039	0.043	0.048	0.048
0.016	0.019	0.023	0.027	0.031	0.035	0.039	0.039
0.030	0.038	0.045	0.052	0.059	0.067	0.074	0.081
0.025	0.031	0.037	0.043	0.049	0.055	0.060	0.066

Anawaena inoa inoa
d

10#

12#

14#

16#

18#

20#

24#

d	Nui inoa
L	min
d_k	max
d_k	min
k	Ref.
f	Ref.
h	Ref.
n	max
n	min
t	max
t	min

0.1640	0.1900	0.2160	0.2420	0.2680	0.2940	0.3200	0.3720
7/16	1/2	9/16	5/8	3/4	13/16	13/16	1
0.312	0.362	0.412	0.462	0.512	0.561	0.611	0.711
0.285	0.333	0.380	0.427	0.475	0.522	0.569	0.664
0.100	0.116	0.132	0.148	0.164	0.180	0.196	0.228
0.052	0.060	0.068	0.076	0.084	0.092	0.100	0.116
0.152	0.176	0.200	0.224	0.248	0.272	0.296	0.344
0.054	0.060	0.067	0.075	0.075	0.084	0.084	0.094
0.045	0.050	0.056	0.064	0.064	0.072	0.072	0.081
0.088	0.103	0.117	0.132	0.146	0.160	0.175	0.204
0.072	0.084	0.096	0.108	0.120	0.132	0.144	0.168

Hōʻailona Wela: slotted Oval Countersunk Head Tapping Screws - Type A Thread Forming [Table 20], Kina, Mea Hana, Mea Hoʻolako, Factory, Wholesale, Customized, Quality