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80° Slotted Undercut Oval Countersunk Head Tapping Screws [Letlapa 11]

Khetha 80 ° Slotted Undercut Oval Countersunk Head Tapping Screws bakeng sa ho tiisa ka mokhoa o nepahetseng le o sebetsang liindastering tse fapaneng. E ipapisitse le maemo a ASME B 18.6.3 - 2013, likurufu tsena li fana ka ts'epahalo, ho tšoarella, le ho feto-fetoha ha maemo, ho netefatsa ts'ebetso e nepahetseng lits'ebetsong tse fapaneng.

Mohlala:ASME B 18.6.3

Romela Lipatlisiso

Tlhaloso ea Sehlahisoa

Moqapi o Mocha:80° Slotted Undercut Oval Countersunk Head Tapping Screws, joalokaha ho hlalositsoe ho ASME B 18.6.3 - 2013, e na le moralo o mocha o etselitsoeng litlhoko tse khethehileng tsa ho tiisa. The undercut oval countersunk head e fana ka qetello e phoroselang, e fokotsang kotsi ea ho phunya kapa ho phunyeletsa, ho etsa bonnete ba hore sebaka se boreleli ha se kenngoa.

Precision Tapping:Li-screws tsena li etselitsoe ho tlanya ka nepo, e leng se lumellang hore ho thehoe ka nepo masoba a khoele ka thepa e fapaneng. Hlooho e otlolohileng ea 80 ° e thusa ho kenya le ho tlosoa habonolo, ho ntlafatsa ts'ebetso ea kopano ka kakaretso le ho fokotsa nako ea kopano.

Ts'ebetso e Ntlafetseng:Ka moralo oa bona o ikhethileng le lisebelisoa tsa boleng bo holimo, li-screws tsena li fana ka ts'ebetso e ntlafalitsoeng le ho tšoarella. Li fana ka li-fastening tse tšepahalang lits'ebetsong tseo ho tsona ho ts'oaroang le ho ts'oaroa ka mokhoa o sireletsehileng li tlang pele, ho thusa ho phela nako e telele le ho ts'epahala ha likarolo tse kopaneng.

Tšebeliso e pharaletseng:Li loketse mefuta e mengata ea lisebelisoa, li-screws tsena li sebetsa hantle indastering e kang ea kaho, ea mapolanka le ea tšepe. Ho feto-fetoha ha bona le katleho ea bona ho ba etsa khetho e ratoang bakeng sa litsebi tse batlang litharollo tse tšepahalang le tse sebetsang tsa ho tiisa.

Boholo ba Khoele
d

7# ^③

10#

12#

d	Boholo ba Lebitso
PP	UNC
L ^②
d_k	max
d_k	min
k	Ref
f	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	0.1640	0.1900	0.2160
-	64	56	48	40	40	32	-	32	24	24
1/8	1/8	1/8	1/8	3/16	3/16	3/16	/	1/4	5/16	3/8
0.112	0.137	0.162	0.187	0.212	0.237	0.262	0.287	0.312	0.362	0.412
0.096	0.120	0.144	0.167	0.191	0.215	0.238	0.262	0.285	0.333	0.380
0.025	0.031	0.036	0.042	0.047	0.053	0.059	0.064	0.070	0.081	0.092
0.021	0.025	0.029	0.033	0.037	0.041	0.045	0.049	0.052	0.060	0.068
0.023	0.026	0.031	0.035	0.039	0.043	0.048	0.048	0.054	0.060	0.067
0.016	0.019	0.023	0.027	0.031	0.035	0.039	0.039	0.045	0.050	0.056
0.028	0.034	0.040	0.047	0.053	0.059	0.065	0.071	0.078	0.090	0.103
0.022	0.027	0.033	0.038	0.043	0.048	0.053	0.059	0.064	0.074	0.085

Boholo ba Khoele
d

14# ^③

1/4

16# ^③

18# ^③

5/16

20# ^③

24# ^③

3/8

7/16

1/2

d	Boholo ba Lebitso
PP	UNC
L ^②
d_k	max
d_k	min
k	Ref
f	Ref.
n	max
n	min
t	max
t	min

0.2420	0.2500	0.2680	0.2940	0.3125	0.3200	0.3720	0.3750	0.4375	0.5000
-	20	-	-	18	-	-	16	14	13
/	7/16	/	/	1/2	/	/	9/16	5/8	3/4
0.462	0.477	0.512	0.561	0.597	0.611	0.711	0.717	0.760	0.815
0.427	0.442	0.475	0.522	0.556	0.569	0.664	0.670	0.715	0.765
0.104	0.107	0.115	0.126	0.134	0.137	0.160	0.161	0.156	0.156
0.076	0.079	0.084	0.092	0.099	0.100	0.116	0.117	0.122	0.131
0.075	0.075	0.075	0.084	0.084	0.084	0.094	0.094	0.094	0.106
0.064	0.064	0.064	0.072	0.072	0.072	0.081	0.081	0.081	0.091
0.115	0.119	0.127	0.140	0.149	0.152	0.177	0.179	0.184	0.204
0.096	0.098	0.106	0.116	0.124	0.127	0.148	0.149	0.154	0.169

①, Moeli oa hlooho o ka ba chitja kapa o bataletse.
②, Li-Screws tsa bolelele le tse khuts'oane li tla ba le lihlooho tse sehiloeng.
③,7#, 14#, 16#, 18#, 20#, 24# ke tsa dikurufu tsa ho tlanya feela.
⑤, Bophara ba 'mele holim'a likurufu tsa mochini tse nang le lihlooho tse ling ntle le li-trim ha boa lokela ho ba ka tlase ho bophara ba khoele ea Class 2A kapa bo boholo ho feta bophara bo boholo ba khoele.
⑥, Bolelele ba Screw ea Mochini oa Khoele
1) Boholo No.5 le tse nyenyane.
Li-crews tsa bolelele bo lekanang le li-diameter tse tharo le tse khuts'oane li tla ba le likhoele tse felletseng tse fihlang ka har'a khoele e le 'ngoe ea khoele.
e jereng bokahodimo ba hlooho, kapa haufi, haeba ho kgoneha. Bolelele bo boholo ho feta li-diameter tse tharo, ho fihla le ho kenyelletsa 1-1/8 in., e tla ba le
likhoele tse nang le sebopeho se felletseng tse fetelang ka har'a likhoele tse peli (likhoele) tsa bokaholimo ba hlooho, kapa haufi, haeba ho khonahala. Li-crews tse telele
bolelele ba lebitso, ntle le ha bo hlalositsoe ka tsela e 'ngoe, bo na le bonyane bolelele ba khoele e felletseng ea 1 in.
2) Boholo No.6 le tse nyenyane.
Li-crews tsa bolelele bo lekanang le li-diameter tse tharo le tse khuts'oane li tla ba le likhoele tse felletseng tse fihlang ka har'a khoele e le 'ngoe ea khoele.
e jereng bokahodimo ba hlooho, kapa haufi, haeba ho kgoneha. Bolelele bo boholo ho feta li-diameter tse tharo, ho fihla le ho kenyelletsa 2 in., bo tla ba le
likhoele tse nang le sebopeho se felletseng tse fetelang ka har'a likhoele tse peli (likhoele) tsa bokaholimo ba hlooho, kapa haufi, haeba ho khonahala. Li-crews tse telele
bolelele ba lebitso bo tla ba le bolelele ba bonyane ba khoele e felletseng ea 1.5 in. ntle le ha ho boletsoe ka tsela e 'ngoe.

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