Din6921 Bolt Carbon Steel Dub Oxide Qib 8.8 10.9 12.9
Ntau lawm parameter

xov specification d | M12 | M16 | M20 | (M22) | M24 | (M27) | M30 | M36 | |
P | suab | 1.75 ib | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 |
b | L≤100 hli | 25 | 31 | 36 | 38 | 41 | 44 | 49 | 56 |
L> 100 mm | 32 | 38 | 43 | 45 | 48 | 51 | 56 | 63 | |
c | Max | 0.8 ua | 0.8 ua | 0.8 ua | 0.8 ua | 0.8 ua | 0.8 ua | 0.8 ua | 0.8 ua |
Min | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | |
da | Max | 14.7 ib | 18.7 ib | 23.24 Nws | 25.24 Nws | 27.64 Nws | 31.24 Nws | 34.24 Nws | 41 |
ds | Max | 12.7 ib | 16.7 ib | 20.84 Nws | 22.84 Nws | 24.84 Nws | 27.84 Nws | 30.84 ib | 37 |
Min | 11.3 | 15.3 | 19.16 Nws | 21.16 Nws | 23.16 Nws | 26.16 Nws | 29.16 Nws | 35 | |
dHauv | Min | 19.2 ib | 24.9 ib | 31.4 ib | 33.3 | 38 | 42.8 ib | 46.5 ib | 55.9 ua |
thiab | Min | 22.78 Nws | 29.56 Nws | 37.29 Nws | 39.55 Nws | 45.2 ib | 50.85 ib | 55.37 ib | 66.44 ib |
k | npe | 7.5 | 10 | 12.5 ib | 14 | 15 | 17 | 18.7 ib | 22.5 ib |
Max | 7.95 ib | 10.75 Nws | 13.4 | 14.9 Nws | 15.9 ib | 17.9 ib | 19.75 Nws | 23.55 Nws | |
Min | 7.05 Nws | 9.25 Nws | 11.6 | 13.1 | 14.1 | 16.1 | 17.65 Nws | 21.45 Nws | |
k1 | Min | 4.9 | 6.5 | 8.1 | 9.2 ib | 9.9 ib | 11.3 | 12.4 | 15 |
r | Min | 0.6 | 0.6 | 0.8 ua | 0.8 ua | 1 | 1.2 | 1.2 | 1.5 |
s | Max | 21 | 27 | 34 | 36 | 41 | 46 | 50 | 60 |
Min | 20.16 Nws | 26.16 Nws | 33 | 35 | 40 | 45 | 49 | 58.8 ua | |
Xov b | - | - | - | - | - | - | - | - |
Kev piav qhia ntau lawm
Steel structural bolts yog lub zog muaj zog bolts thiab kuj yog ib hom qauv tivthaiv. Zoo fastening kev ua tau zoo, siv nyob rau hauv steel qauv thiab engineering los txhim kho cov nyhuv fastening. Ntawm cov qauv hlau dav dav, qhov yuav tsum tau muaj steel qauv bolts yog qib 8.8 lossis siab dua, nrog rau qib 10.9 thiab qib 12.9, tag nrho cov uas muaj zog steel qauv bolts.



Steel structural bolts yog tsuas yog siv nyob rau hauv steel structural engineering los txuas cov ntsiab lus txuas ntawm steel structural steel daim hlau.
Steel structural bolts tau muab faib ua torsion shear high-strength bolts thiab loj hexagonal high-strength bolts. Loj hexagonal high-strength bolts muaj nyob rau qib high-strength ntawm zoo tib yam screws, thaum torsion shear high-strength bolts yog ib qho kev txhim kho hom loj hexagonal high-strength bolts rau kev tsim kho zoo dua.
Cov teeb meem xav tau kev saib xyuas hauv kev tsim kho
Kev tsim kho ntawm cov qauv steel ntsia liaj qhov rooj yuav tsum tau nruj nruj thiab tom qab ntawd nruj, thawj zawm steel qauv ntsia liaj qhov rooj yuav tsum tau siv cov kev cuam tshuam hom hluav taws xob ciaj ntswj los yog lub torque adjustable electric wrench, thiab qhov kawg zawm steel qauv ntsia liaj qhov rooj muaj qhov kev thov nruj, lub torque- shear type electric wrench yuav tsum tau siv rau qhov kawg zawm ntawm lub torsion-shear hom steel qauv ntsia liaj qhov rooj, thiab lub torque hom hluav taws xob wrench yuav tsum tau siv rau qhov kawg zawm ntawm torsion-shear hom steel qauv ntsia liaj qhov rooj. Loj hexagonal steel qauv bolts muaj xws li ib tug ntsia liaj qhov rooj, ib tug txiv ntseej, thiab ob lub tshuab ntxhua khaub ncaws. Torsional shear hom steel qauv ntsia liaj qhov rooj, los ntawm ib tug ntsia liaj qhov rooj, ib tug txiv ntseej, steel qauv loj hexagon bolt ib tug washer muaj pes tsawg leeg.