1. Aha
Cylindrical head hexagon socket head skru, nke a na-akpọkwa isi hexagon socket bolts, cup head skru, na hexagon socket skru, nwere aha dị iche iche, mana ha pụtara otu ihe. Ihe mkpuchi isi oghere hexagon a na-ejikarị gụnyere ọkwa 4.8, ọkwa 8.8, ọkwa 10.9, na ọkwa 12.9. A na-akpọkwa skru hexagon soket, nke a na-akpọkwa bolts hexagon. Isi ya bụ isi hexagon ma ọ bụ isi cylindrical.

2.Material
Carbon ígwè na igwe anaghị agba nchara.
Carbon ígwè hex socket isi kposara nwere njirimara nke ike dị elu na ọnụ ala dị ala, ma bụrụ ihe nkwụnye ego na nke bara uru. A na-eji ya n'ebe ụfọdụ, dị ka mpempe ule dị obere, ihe ndị dị mkpa kwa ụbọchị, arịa ụlọ, ihe owuwu osisi, igwe, ọgba tum tum, wdg.
Igwe anaghị agba nchara nwere njirimara nke nguzogide corrosion, oke okpomọkụ na ịdị mma siri ike, a na-ejikarị eme ihe nkedo na mkpụrụ akụ. A na-eji skru hex igwe anaghị agba nchara eme ihe na njikọ akụrụngwa na ọgwụ, nri na ụlọ ọrụ ndị ọzọ, yana akụrụngwa kemịkalụ, akụrụngwa elektrọnik na mpaghara ndị ọzọ. N'ihi ike mgbochi oxidation na mgbochi corrosion siri ike, ọ naghị adị mfe oxidized na nchara site na gburugburu ebe obibi, ya mere ọ nwere ike ime mgbanwe na gburugburu ebe dị njọ.

3. Nkọwapụta na ụdị

Nọmba ọkọlọtọ mba nke skru isi oghere hexagon bụ GB70-1985. Enwere ọtụtụ nkọwa na nha. Nkọwa 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 bolts oghere hexagon dị ka ike siri ike nke waya ịghasa, ike nkwụsị, ike mkpụrụ, wdg. Ihe dị iche iche ngwaahịa na-achọ ọkwa dị iche iche nke oghere hexagon maka ha. Ihe mkpuchi oghere hexagon niile nwere akara ndị a:
A na-ekewa bolts isi oghere hexagon gaa na ndị nkịtị na ndị siri ike dịka ike ha siri dị. Oghere oghere hexagon nkịtị na-ezo aka na ọkwa 4.8, na oghere hexagon dị elu na-ezo aka na ọkwa 8.8 ma ọ bụ karịa, gụnyere ọkwa 10.9 na 12.9. Klas 12.9 hexagon isi mkpuchi mkpuchi na-ezo aka na knurled, skru isi iko ojii nwere ntụpọ ojii.
A na-ekewa akara ngosi arụmọrụ nke oghere hexagon nke ejiri maka njikọ nhazi ígwè n'ime ihe karịrị akara ule 10, gụnyere 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, na 12.9. N'ime ha, bolts nke ọkwa 8.8 na n'elu bụ nke obere carbon alloy steel ma ọ bụ ọkara carbon ígwè. Mgbe ọgwụgwọ okpomọkụ (imenyụ na iwe ọkụ), a na-akpọkarị ha bolts ike dị elu, ndị ọzọ na-akpọkarị bolts nkịtị. Akara ọkwa arụmọrụ bolt nwere akụkụ abụọ nke ọnụọgụgụ, nke na-anọchi anya uru ike tensile ọnụ na oke ike mkpụrụ nke ihe bolt.
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