Chrome steel products mainly include: Crowbar stay wrenches, wrench to stay single, stay-mei dual-use wrenches, percussion stay wrenches, bending Plum wrench handle with hexagonal wrench, F-type wrench, single-head wrench plum, plum bending percussion Handle wrenches, straight shank percussion Plum wrench, Crowbar Wrench plum, plum blossom wrench straight shank, convex-type percussion Plum wrench, double-headed wrench Plum, fitter flat shovel, double-headed C-type wrenches, double-headed wrench stay B double-headed Plum wrench, crowbar sharp, hook wrench, valve wrench, Afterburning shot, top, drill rod, curved handle percussion stay wrenches, ratchet wrenches, high-neck single-convex head Plum wrench, wrench and attachment sleeve.
铬钢产品主要有：撬棒呆扳手，单头呆扳手，呆梅两用扳手，敲击呆扳手，弯柄梅花扳手，内六角扳手，F型扳手，单头梅花扳手，弯柄敲击梅花扳手，直柄敲击梅花扳手，撬棒梅花扳手，直柄梅花扳手，凸型敲击梅花扳手，双头梅花扳手，钳工扁铲，双头C型扳手，双头呆扳手，乙型双头梅花扳手，尖撬棍，勾扳手，阀门扳手，加力杆，顶尖，钢钎，弯柄敲击呆扳手，棘轮扳手，高颈凸型单头梅花扳手，套筒扳手及附件。
A driven axle with linkage pin is embedded in it via bearing, ratchet wheel and fork locating sleeve. A reset spring mechanism composed of spring, spring holder and top ball is installed on the top of driven axle.
它具有一呈阶梯套型的主动轴，经轴承、棘轮和拨叉定位套嵌装一带有联动销的从动轴，该从动轴的上面设置有由弹簧、弹簧座及顶珠构成的复位弹簧机构。
Are set processing, production and sales of integrated enterprise, Main specifications of the dual-head models to stay plate Plum wrench, dual-purpose wrench (semi-parabolic/wide parabolic), active wrench (Zhanhua Plastic/Phosphating/calibration/chrome), a full range of instrument sets sleeve, the sleeve head, then a long shot, short take-under, ratchet wrenches, Freedom Next, slide the first handle rod afterburner, universal joint, the two sides bend Handle, Express±ú, large sliding head, curved handle, L-type wrenches, tire sleeve, saw blade, circular saw blades and other products, high-quality carbon steel and medium carbon steel.
山东世达机械工具有限公司是集加工，生产，销售为一体的综合性企业，主营各种规格型号的双头呆扳梅花扳手、两用扳手、活络扳手（沾塑/磷化/刻度/镀铬）、全系列套筒组套工具、套筒头、长接杆、短接杆、棘轮扳手，自由接、滑行头手柄、加力杆、万向接头、双方弯柄、快速摇柄、大滑行头、弯柄，L型扳手、轮胎套筒、锯条、圆锯片等一系列产品，产品选用优质中碳合金钢和中碳钢。
Tungsten steel mould, high-speed steel-rod, cold-forging fittings: nut mould, bolts mould (straight rod mold etc. Tungsten steel mould; rods, comprehensive mould such as: Material transferring wheel; bolt mould; ratchet; tungsten steel drilling rods; knife outside block; , knives, tungsten steel knives, cold forging fittings; rod sets, stripping disk; inside and outside knives; sleeve mould; operation folder drilling mold, screw; stainless steel roller sleeve, flange, spark plugs, and cold-forging mould for nuts, nut stamping, drawing die; the rod; tapping fittings; cold-forging mold (Parts mold, cold extrusion mould) Great Wall molybdenum wire
钨钢成型模具、高速钢冲棒、冷镦机配件：螺母模具、螺栓模具（直杆模具、缩杆模具、缩颈模具、六片组合模具等）；钨钢模具模具；冲棒；综合模具如：输料轮；螺栓模具；棘齿；钨钢打孔冲棒，外刀夹；外刀座；外刀，钨钢外刀，冷镦机配件；棒套；垫块，脱料盘；内外刀；套筒模具；套头；垫杆垫块；运转夹打孔模壳、打孔公牙、打孔模座打孔模仁；螺杆；夹芯轴普碳中碳不锈钢材料的罗拉套筒、法兰、火花塞、盖帽的冷镦模具及冲压、拉伸模具；后冲主杆；攻丝机配件；冷镦模具长城钼丝。
The center of balls in bearing is fixed by the fork of locating sleeve. The cooperation between linkage pin, grip slot of drive axle and ratchet wheel is used to make the drive axle and driven axle rotate in same or different directions for threading or turning back.
本攻丝装置由拨叉定位套上的拨叉将轴承中滚珠的中心固定，利用联动销与主动轴的卡槽和棘轮的配合，实现主动轴与从动轴的同向转动和反向转动，完成丝锥正转攻丝和自动反转退出工件工作。