Dab tsi yog SDS Laum me ntsis

IbSDS Laum Sij Hawmyog hom tshwj xeeb ntawm laum me me tsim rau siv nrog teb rauj xyaum, tshwj xeeb rau cov khoom siv nyuaj li qhob pob zeb zoo li pob zeb ua pob zeb ua pob zeb ua av nplaum, cib, thiab pob zeb. Ntawm no yog cov lus qhia ntxaws ntxaws ntawm dab ss tho kev yog, lawv cov yam ntxwv tseem ceeb, thiab lawv cov ntawv thov:

SDS Laum Nqaj?

Sodssawv rauSlotted Tsav System, tus qauv tsim uas tso cai rau kom nrawm dua, nrawm nrawm hauv cov ntaub ntawv nyuaj. Tsis zoo li cov khoom siv ua ib txwm muaj nyob rau hauv qhov chaw nrog chuck, sds tho kev ua kom muaj kev tshwj xeeb xws li grooves (slots) raws cov shank. Cov zawj uas tau tso cai rau lub laum me ntsis kom yooj yim tau kaw rau hauv qhov chaw hauv lub laum, muab ntau dua ntau dua cov khau khiab thiab txo qis qis.

Cov yam ntxwv tseem ceeb ntawm SDS Laum Khoom

Txhim kho kev ua tau zoo hauv cov khoom tawv:

SDS Laum cov khoom tawg yog tsim los tho tau zoo los ntawm cov khoom nyuaj xws li pob zeb ua av nplaum, cib, thiab pob zeb. Lub rauj ua ke nrog cov lus sib txuas ua ke nrog cov khoom lus no kom tawg sib nrug sib nrug deb.

Txo qis qeeb thiab txhim kho lub zog:

Qhov zuaj raws ntawm SDS XAUV XAUV ruaj khov rau hauv lub rauj laum thiab tiv thaiv kom muaj zog dua los ntawm slipping lossis wobbling thaum siv.

Versatility thiab ruaj khov:

SDS Laum cov khoom tawg yog tsim los tiv thaiv cov rog siab thiab ntev dua ntev dua li kev ua haujlwm hauv lub cev, txawm tias nyob hauv cov dej num hnyav.

Cov hloov pauv sai:

SDS Laum cov khoom yog paub rau lawv cov tshuab hloov nrawm. Lub ntsis tuaj yeem hloov tau yooj yim tsis muaj qhov xav tau cov cuab yeej, uas yog lub sijhawm tseem ceeb ntawm cov neeg txuag khoom sai.

Hom SDS Laum Khoom

SDS Laum Khoom:

Cov hom qub, feem ntau yog siv hauv cov rauj qeeb qeeb qeeb qeeb qeeb qeeb plarity rauj thiab haum rau DIY cov phiaj xwm thiab teeb tsa ua haujlwm.

SDS Ntxiv Laum Khoom:

Qhov feem ntau siv hom niaj hnub no, muab kev sib npaug zoo ntawm lub zog thiab yooj yim ntawm kev siv. Lawv yog qhov zoo tagnrho rau cov ntawv thov tu plaub hau xws li drilling rau hauv cov pob zeb lossis av ci. Lub shank ntawm SDS ntxiv me ntsis feem ntau yog feem ntau 10mm hauv lub cheeb.

SDS Max Laum Khoom:

Tsim kom muaj qhov loj dua, ntau dua cov hammers rauj, cov khoom me me loj dua 18 hli shank thiab yog siv rau kev ua haujlwm hnyav-zoo li kev siv hluav taws xob tob li qub.

SDS Sab saum toj Laum:

Ib nrab hauv av ntawm SDS Plard Ntxiv thiab SDS Max, feem ntau tau sib haum nrog ob hom kev ua haujlwm thiab haum rau nruab nrab cov haujlwm ua haujlwm.

Cov ntawv thov ntawm SDS Laum Khoom

Kev tsim kho thiab rhuav tshem:

SDS Laum cov khoom tawg yog feem ntau siv rau drilling rau hauv pob zeb lossis cib, Txhim kho cov kais dej, thiab tawg ntawm phab ntsa.

Kev kho dua tshiab thiab kev txhim kho hauv tsev:

Qhov zoo tagnrho rau DIY tus nyiam thiab cov neeg kho ua haujlwm nrog masonry lossis pob zeb, xws li drilling rau hauv cov plag tsev lossis tawg cov vuas qub.

Kev kho cua kev ua haujlwm thiab sab nraum zoov:

Siv rau drilling qhov hauv pob zeb rau fencing, posts, lossis sab nraum zoov teeb pom kev zoo, thiab tawg los ntawm cov av tawv lossis cov nplaim hluav taws xob.

Hnyav-Luag Haujlwm Drilling In Muaj Chaw Muaj:

Indispensable rau precision drilling rau hauv cov pob zeb thiab hlau-txhawb nqa cov chaw, drilling anchors, cov dowels, lossis txoj kab uas hla loj loj.

Vim li cas thiaj xaiv SDS Laum Cov Khaub Ncaws?

Ua tau zoo: SDS Laum BITine sib xyaw ua ke thiab rottrate suab tawm mus nrawm rau kev loj dua ntom ntom.

Yam ruaj khov: Ua kom tau txais ntev ntev nyob rau hauv cov dej num hnyav.

Versatility: Haum rau ntau cov ntawv thov los ntawm lub teeb drilling hauv mos Masonry rau hnyav-dej num ua haujlwm hauv kev txhawb nqa kev txhawb nqa.

Kev hloov pauv sai: Hloov qeeb hloov tsis muaj qhov xav tau cov cuab yeej.

Cov Lus Qhia Txij Nkawm

Huv si tsis tu ncua: Tshem tawm cov khib nyiab thiab hmoov av tom qab txhua qhov siv los tiv thaiv clogging.

Khaws kom zoo: Khaws SDS Laum cov qe hauv qhov chaw qhuav, txias kom tsis txhob xeb lossis xeb.

Tsis txhob overheating: Siv sijhawm so thaum drilling thaum lub sijhawm ntev los tiv thaiv cov ntsis ntawm overheating.

Siv txoj cai laum: Xyuas kom meej nrog cov sds tsim nyog (SDS Plus, SDS Max, thiab lwm yam).

Qhov zoo tshaj plaws tho cov khoom siv rau cov khoom tawv tawv yog ib txwm ua los ntawm cov ntaub ntawv cob tawv lossis cov carbide, raws li qhov tsim nyog durabilance, kub ua rau cov khoom tawv. Ntawm no yog qee qhov kev xaiv saum toj kawg nkaus:

Cobalt laum khoom

Laum America D \/ A29J-Co-pc Cobalt Laum Teeb

Khoom: Cobalt

Nta: Cov teeb no suav nrog 29 daim ua haujlwm los ntawm 1\/16 nti mus rau 1\/2 nti. Nws muaj qhov 135- degree cais-taw qhia uas txo cov thrust thiab ua kom lub me me. Cov kub oxide tiav ua raws li cov roj nplua nyeem thiab muab cov khoom hnav tsis kam ntxiv.

Zoo: Tuaj yeem khiav los ntawm cov hlau ua haujlwm zoo li cov hlau stainless thiab titanium, tso cai kom nrawm txog 30% ntau dua li cov pa m2 high-ceev steel.

Nplij txwv: Muaj peev xwm lees paub cov cim, qee cov neeg yuav khoom tshaj tawm chipping.

Toolant cobalt tho me me teeb rau hlau thiab hlau (Pro)

Khoom: Cobalt nrog titanium aluminium nitride txheej (tialn)

Nta: Cov teeb no suav nrog 21 daim txij li 1\/16 "txog 1\/2". Cov xim xiav tsaus nti kos npe rau kev ua haujlwm ruaj khov thiab ua tau zoo. Lub mos txwv taw tes cov lus qhia rau kom drilling.

Zoo: Cobalt Kev Siv Ua kom ntseeg tau ntev-kav ntev, TIAN txheej muab cov txheej kub zoo dua.

Nplij txwv: Cov nqi nqi siab dua, yuav tsis haum rau cov khoom siv softer.

Carbide-Tipped Laum Khoom

Carbide-Tipped Laum Khoom

Khoom: Carbide

Nta: Carbide-tipped tho cov khoom me me yog ib qho tshwj xeeb nyuaj thiab hnav-resistant. Lawv tau tsim los tuav cov khoom siv nyuaj tshaj plaws, suav nrog cov hlau tawv.

Zoo: Unparalled hardness thiab hnav tsis kam, haum rau kev ntsuas siab-precision drilling.

Nplij txwv: Kim kim tshaj li cobalt cov khoom lag luam, tej zaum yuav xav tau cov cuab yeej tshwj xeeb.

Lwm cov lus pom zoo

Dewalt Titanium Nitride Coated Laum Teeb

Khoom: High-Ceev Hlau Nrog Titanium Nitride Txheej

Nta: Cov khoom no yog coated nrog titanium nitride, uas txhim kho durability thiab txo cov cua sov thiab kev sib txhuam kub. Lawv haum rau drilling los ntawm cov hlau tawv.

Zoo: Enhanced durability, haum rau cov ntaub ntawv tawv.

Nplij txwv: Tej zaum yuav tsis nyuaj li cobalt lossis carbide khoom.

Nordwolf 5- daim m35 Cobalt Stubby Laum me ntsis teeb

Khoom: M35 cobalt

Nta: Cov teeb no suav nrog kev tsim qauv tsib nrog tus qauv tsim qauv rau kev ua haujlwm hauv qhov chaw nruj. Nws muaj 1\/4 "hex shank kom nrawm thiab hloov tau yooj yim.

Zoo: M35 Cobalt Kev Siv rau Durability, Stubby tsim rau cov chaw kaw.

Nplij txwv: Txwv rau tsib qhov ntau thiab tsawg, hnyav dua piv rau lwm ntsis teeb.

Thaum khawb rau hauv cov nplais, xaiv txoj cai laum me ntsis yog qhov tseem ceeb kom tsis txhob tawg lossis ua rau cov nplais. Nov yog qee qhov zoo tshaj plaws ntawm lub laum khoom rau cov vuas:

1. Pob zeb diamond-tipped Laum Khoom

Khoom: Pob zeb diamond txheej ntawm cov hlau lossis ib lub cev.

Kev siv: Qhov zoo tagnrho rau cov vuas luaj ceramic, cov vuas luaj porcelain, iav, thiab granite.

Qhov Zoo: Tsis tshua muaj neeg ruaj khov, meej meej, thiab ntev-ntev. Lawv ua cov qhov huv thiab tsis tshua yuav npleem.

Kev txwv: Kim thiab xav kom ceev faj tuav.

2. Carbide-Tipped Masonry Khoom

Khoom: Tungsten carbide taub nrog lub cev hlau.

Kev siv: Haum rau ceramic vuas, vuas vuas luaj, thiab pob zeb ntuj.

Qhov Zoo: Ruaj ruaj, pheej yig, thiab muaj dav. Lawv tuaj yeem txiav los ntawm cov npoo tawv yam tsis muaj kev ua kom nrawm.

Kev txwv: Tuaj yeem overheat yog tias tsis siv nrog dej txias.

3. Hmuv-taw pobzeb

Khoom: Tungsten carbide taub nrog lub cev hlau.

Kev siv: Zoo tshaj plaws rau ceramic thiab porcelain vuas.

Qhov Zoo: Nqis, yooj yim siv, thiab tiv thaiv kev swb. Tus ntse, taw qhia yuav pab kom muaj kev nkag siab huv.

Kev txwv: Tsis haum rau cov khoom siv nyuaj heev li granite.

4. Iav thiab Pobzeb Laum Khoom

Khoom: Tungsten carbide lossis pob zeb diamond-coated taub.

Kev siv: Haum rau Ceramic Vuas, iav, thiab tsom iav.

Qhov Zoo: Ntau yam thiab yooj yim siv. Lawv txo txoj kev pheej hmoo ntawm kev tawg.

Kev txwv: Tsis ruaj khov dua li pob zeb diamond-tipped.

Cov lus qhia rau Drilling rau hauv cov vuas

Kos rau qhov chaw: Siv tus xaum qhuav lossis tus cim cim khij rau qhov tseeb qhov chaw uas koj xav kom tho. Tso daim npog me me npog cov kab xev hla lub cim kom tiv thaiv cov laum me ntsis los ntawm kev swb.

Pib maj mam: Teeb koj laum mus rau qhov ceev ceev thiab pib drilling ntawm 45-} degree kaum sab xis. Thaum lub zawj me me tau tsim lub zawj me me, maj mam ncaj lub laum rau {1}}} degree kaum sab xis.

Siv dej txias: Txheeb xyuas cov laum lub laum hauv dej lossis siv lub raj tshuaj tsuag kom cov cheeb tsam txias kom tiv thaiv overheating.

Thov siv lub siab khov kho: Thov maj maj mam, khov kho lub siab thaum drilling. Cia lub laum me ntsis ua haujlwm-zam kev yuam nws.

Pom zoo laum me ntsis teeb

Titgi Kws Masonry Laum Sij Hawm: Qhov no 10- daim teeb suav nrog carbide-tipped bits txij li 1\/8 "txog 1\/2". Nws yog ruaj thiab ntau yam, haum rau ntau yam ntaub ntawv suav nrog cov nplais.

6- PC pob zeb diamond laum caij: Cov teeb no suav nrog pob zeb diamond-tipped khoom plig uas ntse heev thiab txiav los ntawm cov pobzeb sai thiab huv si. Cov lus qhia pob zeb diamond nyob twj ywm ntev.

Dyrecelve 12- pc masonry tho me me teeb: Cov teeb no suav nrog carbide-tipped bits li ntawm 1\/8 "txog 1\/2". Nws yog tsim rau cov kws tshaj lij thiab Diyers zoo ib yam, muab ib qho kev sib tsoo, ua tau zoo li drilling.

Thaum drilling cov pobzeb ceramic, siv txoj cai laum me ntsis yog qhov tseem ceeb kom tsis txhob tawg lossis ua rau lub pob zeb ua kom puas tsuaj. Ntawm no yog cov hom cua zoo tshaj plaws rau cov pobzeb ceramic, nrog qee cov lus pom zoo:

Qhov zoo tshaj plaws hom laum rau ceramic pobzeb

1.diamond-tipped laum khoom

Khoom: Pob zeb diamond-coated taub nrog hlau lossis ib lub cev.

Kev siv: Qhov zoo tagnrho rau cov vuas luaj ceramic, cov vuas luaj porcelain, iav, thiab granite.

Qhov Zoo: Tsis tshua muaj neeg ruaj khov, meej meej, thiab ntev-ntev.

Kev txwv: Kim thiab yuav tsum tau ceev faj tuav.

Tus yam ntxwv: Titgi Sersion Masonry laum me me teeb.

2.Carbide-tipped Masonry khoom

Khoom: Tungsten carbide taub nrog lub cev hlau.

Kev siv: Haum rau ceramic vuas, vuas vuas luaj, thiab pob zeb ntuj.

Qhov Zoo: Ruaj ruaj, pheej yig, thiab muaj dav.

Kev txwv: Tuaj yeem overheat yog tias tsis siv nrog dej txias.

Tus yam ntxwv: Bosch GT2000.

3.Spear-taw rooj pobzeb

Khoom: Tungsten carbide taub nrog lub cev hlau.

Kev siv: Zoo tshaj plaws rau ceramic thiab porcelain vuas.

Qhov Zoo: Nqis, yooj yim siv, thiab tiv thaiv kev swb.

Kev txwv: Tsis haum rau cov khoom siv nyuaj heev li granite.

4.Glass thiab Pobzeb Laum Khoom

Khoom: Tungsten carbide lossis pob zeb diamond-coated taub.

Kev siv: Haum rau Ceramic Vuas, iav, thiab tsom iav.

Qhov Zoo: Ntau yam thiab yooj yim siv.

Kev txwv: Tsis ruaj khov dua li pob zeb diamond-tipped.

Cov lus qhia rau Drawing Pobzeb

1.Xaiv txoj cai me ntsis:

Rau tej hub vuas luaj, carbide-tipped lossis hmuv-taw qhia yog txaus.

Rau cov vencelainain, pob zeb diamond-tipped cov khoom tau pom zoo vim lawv lub hardness.

2.markakmark lub chaw:

Siv tus xaum qhuav lossis cim cim khij qhov tseeb qhov chaw uas koj xav kom tho.

Tso daim npog me me npog cov kab xev hla lub cim kom tiv thaiv cov laum me ntsis los ntawm kev swb.

3.start maj mam:

Teeb koj laum mus rau qhov ceev ceev thiab pib drilling ntawm 45- degree kaum sab xis.

Thaum lub zawj me me tau tsim lub zawj me me, maj mam ncaj lub laum rau 90- degree kaum sab xis.

4. siv dej txias:

Txhawm rau tiv thaiv kev sib cuam tshuam, ib txwm poob lub laum me ntsis hauv dej lossis siv lub raj tshuaj tsuag kom thaj chaw txias.

5.Apply Tawv Siab:

Siv cov siab mos siab muag, khov kho thaum lub sijhawm khiav haujlwm. Cia lub laum me ntsis ua haujlwm-zam kev yuam nws.

6.Finish lub qhov:

Thaum lub qhov yog ua tiav, tshem daim npog ntsej muag thiab ntxuav cov khib nyiab.

Rau a1/2-13Coj mus rhaub, cov pom zoo laum me ntsis yog27\/64 NtiCov. Qhov loj me no ua kom tau xov zoo siv cov xov los tiv thaiv cov xov los ntawm kev nruj dhau los lossis xoob xoob.

Vim li cas thiaj xaiv ib 27 \/ 64- nti laum me ntsis?

Xov kev sib koom tes: Lub 27 \/ 64- nti laum me ntsis tsim ib lub qhov uas tso cai rau cov kais dej huv nrog kev sib koom tes zoo.

Tus qauv xyaum: Qhov loj me no tau pom dav hauv kev lag luam thiab cov ntaub ntawv kho tshuab rau 1 \/ 2-13 xov.

Cov Lus Qhia Ntxiv:

Pilot Qhov: Nco ntsoov pib nrog lub qhov tsav me me los coj cov laum me ntsis thiab xyuas kom meej.

Lub txias txias: Siv cov roj txiav lossis txias thaum drilling rau hauv hlau los txo cov cua sov thiab ntev lub neej ntawm laum me ntsis.

Coj mus rhaub Drilling daim ntawv: Xa mus rau ib lub kais kab laum rau lwm qhov ntau thiab tsawg thiab kev siv los xyuas kom meej.

Rau 10-32 kov, cov pom zoo tho qhov loj me me yog a# 21 Laum Qaib, uas muaj ib lub cheeb ntawm 0. 159 ntiv (4.0 mm). Qhov loj me uas ua kom cov kais uas tus kais dej tuaj yeem tsim cov xov zoo hauv lub qhov drilled.

Siv qhov tseeb laum me me yog qhov tseem ceeb rau kev ua tiav xov kev koom tes thiab tiv thaiv cov teeb meem zoo li cov xov thripped lossis tsis zoo haum. Tus # 21 Laum yog tshwj xeeb yog sib phim rau 10-32 coj mus rhaub kom ntseeg tau tias cov xov yog txiav rau qhov tob thiab lub taub.

Rau ib qhoM8 KaisNrog cov xov xov ntawm1.25 hli, daim ntawv pom zoo laum loj yog6.8 hliCov. Qhov loj me no ua kom cov xov zoo thiab muaj kev nyab xeeb thaum kov lub qhov.

Vim li cas 6.8 hli?

Xov Xam Xam: Lub laum me me yog feem ntau suav los ntawm rho cov xov xov (1.25 hli rau m8) los ntawm cov kab loj ntawm cov kais dej (8 hli). Qhov no ua rau tho me me ntawm kwv yees li 6.8 hli.

Tus qauv xyaum: Qhov loj me no tau lees paub dav thiab pom zoo rau kev tsim cov xov zoo nrog M8 kais.

Cov lus qhia rau Drilling thiab tapping:

Siv tus laum laum me ntsis: Nco ntsoov tias koj siv lub siab zoo 6.8 hli laum me ntsis los tsim lub qhov tsav.

Ruaj Ntseg Cov Khoom: Clamp lub workpiece zoo siab los tiv thaiv kev txav thaum khiav.

Tho maj mam: Pib drilling ntawm lub qeeb ceev kom tswj kev tswj hwm thiab raug.

Siv cov kua dej txiav: Thov cov kua dej txiav tawm thaum drilling rau hauv hlau los txo cov cua sov thiab kev sib txhuam.

Coj mus rhaub kom zoo: Tso M8 coj mus rhaub rau hauv lub qhov drilling thiab tig nws qeeb thiab tu siab los tsim cov xov huv, haum.

Rau ib qhoM8 KaisNrog cov xov xov ntawm1.25 hli, daim ntawv pom zoo laum loj yog6.8 hliCov. Qhov loj me no ua kom cov xov zoo thiab muaj kev nyab xeeb thaum kov lub qhov.

Vim li cas 6.8 hli?

Xov Xam Xam: Lub laum me me yog feem ntau suav los ntawm rho cov xov xov (1.25 hli rau m8) los ntawm cov kab loj ntawm cov kais dej (8 hli). Qhov no ua rau tho me me ntawm kwv yees li 6.8 hli.

Tus qauv xyaum: Qhov loj me no tau lees paub dav thiab pom zoo rau kev tsim cov xov zoo nrog M8 kais.

Cov lus qhia rau Drilling thiab tapping:

1. Siv qhov tseeb laum me ntsis: Nco ntsoov tias koj siv lub siab zoo 6.8 hli laum me ntsis los tsim lub qhov tsav.

2.Txhev cov khoom siv: Clamp lub workpiece zoo siab los tiv thaiv kev txav thaum khiav.

3.Drill qeeb: Pib drilling ntawm lub qeeb ceev kom tswj kev tswj hwm thiab raug.

4. Siv cov kua txiav: Thov cov kua dej txiav tawm thaum drilling rau hauv hlau los txo cov cua sov thiab kev sib txhuam.

5.TaCov zoo: Tso M8 coj mus rhaub rau hauv lub qhov drilling thiab tig nws qeeb thiab tu siab los tsim cov xov huv, haum.

Laum ntau thiab tsawg tau teev nyob rau hauv ob peb txoj kev, suav nrog fractional nti, lecimal ntiv tes, xaim koob tshuaj xaim xov tooj (piv txwv li), thiab ntsuas kom tsawg (millimeters). Qhov loj me ntawm kev laum kev yog hais txog nws txoj kab uas hla, uas yog qhov tseem ceeb ntawm qhov tseem ceeb rau kev xaiv qhov tseeb rau txoj haujlwm tshwj xeeb.

Cov Khaub Ncaws Laum Me Me

1.Qhov pa ntiv tes ntau thiab tsawg

Cov no tau teev hauv cov leb feem ntawm nti (piv txwv li, 1\/16 ", 1\/8", 3\/16 ", 1\/4", thiab lwm yam).

Piv txwv li: Ib 1\/4 "Laum me ntsis muaj lub cheeb ntawm {2}}. 25 ntiv.

2.Decimal Nti ntau thiab tsawg

Cov no tau teev tseg hauv cov zauv zauv (piv txwv li, {{0}}. 125 ", thiab lwm yam).

Piv txwv li: {{{0. 250 "laum me ntsis yog sib npaug rau ib tug 1\/4" laum me ntsis.

3.Wire Gauge Tooj

Cov no yog cov naj npawb ntawm qhov ntau thiab tsawg (piv txwv li, # 1, # 2, # 3, thiab lwm yam) uas sib haum rau kev diameters tshwj xeeb.

Tus lej ntau dua, qhov me me txoj kab uas hla.

Piv txwv li: A # 21 laum me ntsis muaj ib lub cheeb ntawm 0. 159 ntiv (4.04 hli).

4.Metric qhov ntau thiab tsawg

Cov no tau teev hauv millimeters (piv txwv li, 1. {{Mm, 2}} mm, 3. {Mm, thiab lwm yam).

Piv txwv li: ib tug 3. {{{{{1} mm tho me ntsis muaj txoj kab uas hla ntawm 3. {} Millimeters.

Cov laum feem ntau thiab tsawg thiab lawv cov ntawv thov

Yuav ntsuas ntsuas laum me ntsis

Yog tias koj xav tau txiav txim siab qhov loj ntawm lub laum me ntsis koj twb muaj lawm, koj tuaj yeem:

Siv tus caliper: Ntsuas cov cheeb ntawm me ntsis ntawm nws txiav xaus.

Siv lub ntsuas cua me me: Lub ntsuas cua me me yog ib qho cuab yeej nrog lub qhov ntau thiab tsawg. Ntxig cov laum me ntsis rau hauv lub qhov kom txog thaum nws haum snugly.

Xaiv qhov loj me

Rau kev tapping: Siv qhov loj me rau cov kais (piv txwv li, # 21 rau ib {{1} {kais).

Kom muaj kev khiav tawm: Xaiv qhov loj raws li cov khoom siv thiab qhov xav tau lub cheeb.

Txhawm rau siv Metric: Siv metric qhov ntau thiab tsawg yog ua haujlwm nrog metric fasteners lossis cov khoom siv.