1. Aha
Skrọ isi hexagon nke isi cylindrical, nke a na-akpọkwa bolt isi hexagon, skru isi iko, na skru isi hexagon, nwere aha dị iche iche, mana ha pụtara otu ihe ahụ. Skrọ isi hexagon nke a na-ejikarị eme ihe gụnyere ọkwa 4.8, ọkwa 8.8, ọkwa 10.9, na ọkwa 12.9. A na-akpọkwa skru isi hexagon, nke a na-akpọkwa bolts oghere hexagon. Isi ahụ bụ isi hexagon ma ọ bụ isi cylindrical.

2. Ihe eji eme ihe
Ígwè carbon na ígwè anaghị agba nchara.
Skrọ isi nke ígwè carbon hex socket nwere njirimara dị elu na ọnụ ala dị ala, ha bụkwa ihe na-ejikọ ọnụ nke ọma ma dịkwa irè. A na-eji ya eme ihe n'ebe ụfọdụ, dịka ihe nnwale dị obere ibu, ihe ndị dị mkpa kwa ụbọchị, arịa ụlọ, ihe owuwu osisi, ígwè, ọgba tum tum, wdg.
Ígwè anaghị agba nchara nwere njirimara nke iguzogide nchara, iguzogide okpomọkụ dị elu na ezigbo ike, a na-ejikarị ya eme skru na mkpụrụ ndị a na-achọsi ike. A na-ejikarị skru hex soket ígwè anaghị agba nchara eme ihe n'ọtụtụ ebe na njikọ akụrụngwa na ọgwụ, nri na ụlọ ọrụ ndị ọzọ, yana na akụrụngwa kemịkalụ, akụrụngwa eletrọnịkị na mpaghara ndị ọzọ. N'ihi ike ya siri ike nke mgbochi oxidation na mgbochi corrosion, gburugburu ebe obibi anaghị agba nchara ma ọ bụ mee ka ọ ghara ịdị mfe, yabụ ọ nwere ike ịgbanwe gburugburu ebe obibi siri ike.

3. Nkọwapụta na ụdị

Ọnụọgụgụ ọkọlọtọ mba nke skru isi hexagonal bụ GB70-1985. E nwere ọtụtụ nkọwapụta na nha. Nkọwapụta na ụkpụrụ ndị a na-ejikarị eme ihe bụ 3*8, 3*10, 3*12, 3*16, 3*20, 3*25, 3*30, 3*45, 4*8, 4*10, 4*12, 4*16, 4*20, 4*25, 4*30, 4*35, 4*45, 5*10, 5*12, 5*16, 5*20, 5*25, 6*12, 6*14, 6*16, 6*25, 8*14, 8*16, 8*20, 8*25, 8*30, 8 *35, 8*40, wdg.

4.Isi ike
A na-ekewa blọt oghere hexagon dịka ike nke waya skru si dị, ike nrụgide, ike mmepụta, wdg. Ihe dị iche iche nke ngwaahịa chọrọ ọkwa dị iche iche nke blọt oghere hexagon iji kwekọọ na ha. Blọt oghere hexagon niile nwere akara ndị a:
A na-ekewa bọọdụ isi hexagon n'ime ndị nkịtị na ndị siri ike dịka ọkwa ike ha si dị. Bọọdụ isi hexagon nkịtị na-ezo aka na ọkwa 4.8, ebe bọọdụ isi hexagon siri ike na-ezo aka na ọkwa 8.8 ma ọ bụ karịa, gụnyere ọkwa 10.9 na 12.9. Bọọdụ isi hexagon nke klas 12.9 na-ezo aka na skru isi isi hexagon ojii nke nwere mmanụ.
A na-ekewa ọkwa arụmọrụ nke bolt socket hexagon ejiri maka njikọ nhazi ígwè n'ime ihe karịrị ọkwa iri, gụnyere 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, na 12.9. N'ime ha, a na-eji obere ígwè carbon alloy ma ọ bụ ígwè carbon ọkara mee bolt nke ọkwa 8.8 na karịa. Mgbe ọgwụgwọ okpomọkụ gasịrị (nkwụsị na ime ka okpomọkụ dị ọkụ), a na-akpọkarị ha bolt ike dị elu, a na-akpọkarịkwa ndị ọzọ bolt nkịtị. Akara ọkwa arụmọrụ bolt nwere akụkụ abụọ nke ọnụọgụgụ, nke na-anọchite anya uru ike tensile aha na oke ike mmepụta nke ihe bolt.
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