Hebei Wotu Fastener Manufacturing Co., Ltd., nrhiav tau nyob rau hauv 1990s, nyob rau hauv Yongnian District, Handan City, Hebei Province, hu ua "Hometown ntawm Fasteners."
1. Core Hardness: Txuj: HRC32-40. Peb cov khoom raug ntsuas ntawm HRC31.7-39.0.
2. Nto Hardness: Txheem: HV600-700. Peb cov khoom raug ntsuas ntawm kwv yees li HV620.
3. Hardened Txheej: 4#-6#: 0.05-0.18mm; 8 #-12 #: 0.10-0.23mm; 14 #: 0.15-0.28mm.
4. Torque: Specifications, tus kheej-drilling ntsia hlau, ntsia liaj qhov rooj.
Hebei Wotu Fastener Manufacturing Co., Ltd., nrhiav tau nyob rau hauv 1990s, nyob rau hauv Yongnian District, Handan City, Hebei Province, hu ua "Hometown ntawm Fasteners." Peb lub tuam txhab tshwj xeeb hauv kev tsim cov ntsia hlau rau tus kheej, hexagonal nws tus kheej-drilling screws, ntauwd bolts, anti-tub sab bolts, GB30 bolts, anti-tub sab tub ceev xwm, ko taw bolts, U-bolts, electrified railway bolts, ceev, ntsia liaj qhov rooj pins, thiab ntau yam hluav taws xob fittings. Peb npaj ntau yam kub-dip galvanized bolts, ceev, tiaj tus ntxhua khaub ncaws, thiab caij nplooj ntoos hlav ntxhua khaub ncaws, thiab tuaj yeem hloov kho ntau yam tsis zoo. Peb kuj tseem tuaj yeem pab cov neeg siv khoom npaj khoom thiab xa khoom. Peb lub Hoobkas tuaj yeem ua ntau yam kev ua haujlwm sab nraud thiab kev kho cua sov, suav nrog kub-dip galvanizing thiab electro-galvanizing, nrog rau kev kho deg xws li phosphating, kos duab, annealing, thiab tempering. Peb mob siab rau tus kheej-drilling screws, kub-dip galvanized bolts, thiab peb cov khoom. Yog tias koj muaj kev xav tau, thov koj xav tiv tauj peb!
