German WIHA tools WIHA models WIHA prices

WIHA tools is a general term for various metal devices manufactured through physical processing such as forging, rolling, and cutting of metals like iron, steel, and aluminum. Hardware tools, classified by product application, include: tool hardware, construction hardware, daily-use hardware, locks and abrasives, kitchen and bathroom hardware, home hardware, and hardware components. This category includes various manual, electric, pneumatic, and cutting tools; automotive maintenance tools; agricultural tools; lifting tools; measuring tools; tool machinery; cutting tools; jigs and fixtures; cutters; molds; cutting edges; grinding wheels; drill bits; polishers; tool accessories; measuring tools and cutting edges; painting tools; abrasives and grinding materials; manual socket wrench sockets; striking open-end wrenches and striking box-end wrenches.

WIHA tool types

1) Frame saw. Also known as a buck saw, it consists of an I-shaped wooden frame, twisted rope, twisting pieces, and a saw blade. The ends of the saw blade are fixed to the frame with knobs, which can also be used to adjust the angle of the blade. After the twisted rope is tightened, the saw blade is taut and ready for use. Frame saws are classified into coarse, medium, and fine types based on blade length and tooth pitch. Coarse saw blades are 650—750mm long, with a tooth pitch of 4—5mm; they are mainly used for sawing thicker wood. Medium saw blades are 550—650mm long, with a tooth pitch of 3—4mm; they are mainly used for sawing thin wood or cutting tenons. Fine saw blades are 450—500mm long, with a tooth pitch of 2—3mm; they are mainly used for sawing finer wood and cutting tenon shoulders. 2) Knife saw. A knife saw mainly consists of a saw edge and a handle, and can be classified into single-sided, double-sided, and backed knife saws. Single-sided knife saws have a blade length of 350mm, with teeth on one side; depending on the function of the teeth, they can be divided into rip-cut and cross-cut types. Double-sided knife saws have a blade length of 300mm, with teeth on both sides; typically, one side is for rip-cutting and the other for cross-cutting. Backed knife saws have a blade plate length of 250—300mm; the back of the blade is reinforced with a steel strip, and the teeth are finer, available in rip-cut and cross-cut versions. 3) Groove saw. A groove saw consists of a handle and a saw blade, with the blade being approximately 200mm long. Groove saws are mainly used for cutting grooves in wood. 4) Panel saw. Also known as a hand saw, it consists of a handle and a saw blade. The blade is approximately 250—750mm long, with a tooth pitch of 3—4mm. Panel saws are mainly used for sawing wider wooden boards. 5) Keyhole saw. The blade is narrow and long, with a pointed tip, and a length of approximately 300—400mm. Keyhole saws are mainly used for sawing narrow holes and slots. 6) Coping saw. Also known as a fret saw, its structure is similar to that of a frame saw, but the blade is narrower (approximately 10mm), mainly used for sawing arcs and curves. 7) Wire saw. Also known as a bow saw, it is made by bending a bamboo strip into a bow shape and stretching a wire between the ends. Saw-tooth-like ridges are cut into the wire, using the sharp edges of these ridges for cutting. The wire is approximately 200—600mm long, and the saw bow is 800—900mm long. Wire saws are mainly used for cutting complex curves and opening holes.

WIHA tool classification

Non-sparking tools are internationally known as "safety tools" and "non-sparking tools," and domestically in China as "explosion-proof tools." Explosion-proof tools produced, sold, and distributed in China are divided into two main categories based on material: 1. Aluminum-copper alloy (commonly known as aluminum bronze) explosion-proof tools. The specific material is a copper-based alloy composed of high-purity electrolytic copper as the base, with appropriate amounts of aluminum, nickel, manganese, iron, and other metals added. 2. Beryllium-copper alloy (commonly known as beryllium bronze) explosion-proof tools. The specific material is a copper-based alloy composed of high-purity electrolytic copper as the base, with appropriate amounts of beryllium, nickel, and other metals added. Both materials exhibit excellent thermal and electrical conductivity. After heat treatment, the hardness and wear resistance of aluminum bronze are nearly identical to those of beryllium bronze, both reaching above HRC30o. Beryllium bronze is non-magnetic and can be used in strong magnetic field environments. Explosion-proof tools can also be divided into two main categories based on manufacturing process: 1. Casting process: This is a traditional manufacturing technology that was internationally common for producing explosion-proof tools in the 80s and has been continuously used by most domestic explosion-proof tool manufacturers in China to this day. Advantages of the casting process: simple process and low manufacturing cost. Disadvantages: lower product density, hardness, tensile strength, and torque; more pores and sand holes, resulting in shorter product service life. 2. Forging process: The latest international manufacturing technology, which uses large presses or punch presses combined with high-heat-resistant forming molds to forge products in a single step. Advantages of the forging process: significantly increases product density, hardness, tensile strength, and torque; basically eliminates pores and sand holes, extending the mechanical performance and service life of the product by approximately 1 times compared to the traditional casting process. Disadvantages: higher investment in equipment and molds, resulting in higher costs.

WIHA tool precautions

1) Before use, inspect hand tools for damage. Do not use unsafe tools. 2) Keep tools clean, especially the gripping areas, to prevent slipping during operation. 3) Wear appropriate personal protective equipment, such as eye protection and gloves. 4) Use hand tools with correct posture and technique. Maintain a stable stance for safe force application; do not exert excessive force. 5) When using sharp tools, do not point the blade or sharp parts toward others. 6) When not in use, protect blades or sharp parts with covers. Avoid carrying tools by hand or keeping them in pockets. 7) Do not misuse hand tools for other purposes. 8) Understand the characteristics of each hand tool and use them correctly.

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