19-in-1 Ratchet Screwdriver

BOSI factory's 19-in-1 ratchet screwdriver features S2 alloy steel bits with a hardness of 58-62 HRC. It offers bidirectional ratchet adjustment and a ratchet head fatigue life exceeding 5000 cycles. It features concealed storage and dual-ended extension bars (1/4" and 5/16"). A variety of configurations are available to meet diverse working conditions. Inquiries and samples are welcome.

Send Inquiry

Product Description

The BOSI 19-in-1 ratchet screwdriver is a highly efficient and portable multi-functional screwdriver. The bits are made of S2 alloy steel with a hardness of 58-62 HRC, making them rust-resistant and wear-resistant. It features a dual-directional ratchet adjustment function, allowing for quick switching between tightening and loosening modes to improve work efficiency. The ratchet head has been tested for over 5000 fatigue cycles. A hidden storage compartment inside the handle allows for the storage of spare bits.

Configurations include: Phillips head PH1/PH2/PH3, slotted head 5.0/6.0/8.0, lace head CT10/CT15/CT20/CT25, slotted head 2.0/3.0, Y-type 5.0/6.0, U-type 2.3, pentagonal 5.0, etc. It comes with dual-ended extension bars (1/4" and 5/16") to accommodate different socket sizes. Dimensions are 212×35×35mm. Suitable for appliance repair, furniture assembly, and automotive interior disassembly and assembly.

Parameter Items	Values
Product Name	19-in-1 Ratchet Screwdriver
Bit Material	S2 Alloy Steel
Bit Hardness	58-62 HRC
Ratchet Function	Bidirectional Adjustment
Ratchet Fatigue Cycles	Over 5000 Cycles
Storage Method	Hidden Storage (Inside Handle)
Extension Bar	Dual Extension Bars (1/4" and 5/16")
Configuration List	Phillips head PH1/2/3; Slotted head 5.0/6.0/8.0/2.0/3.0; Flower head CT10/15/20/25; Y5.0/Y6.0; U2.3; Pentagon 5.0; Double-ended extension bar, etc.
Dimensions (L×W×H)	212×35×35mm
Packing Quantity	6/48PCS

19-in-1 Ratchet Screwdriver

Product Advantages

S2 alloy steel bits: Hardness up to 58-62 HRC, far exceeding ordinary chrome vanadium steel, wear-resistant and anti-slip, suitable for high-intensity and frequent use.

Two-way ratchet adjustment: A toggle switch allows you to switch between three modes: forward (tightening), reverse (loosening), and locking (fixing). One-handed operation is quick and effortless.

High fatigue life: The ratchet head has undergone over 5000 fatigue tests, ensuring durability and reliability, suitable for professional repair scenarios.

Hidden storage: Multiple spare bits can be stored inside the handle for easy access and to prevent loss. The overall design is simple and clean.

Dual-ended extension bars: One end is 1/4" (6.3mm), the other end is 5/16" (8mm), which can be used with sockets to expand functionality.

Comprehensive configuration: Covers a variety of screwdriver bits including Phillips, slotted, flower head, Y-type, U-type, and pentagonal, suitable for various screws in mobile phones, computers, home appliances, automobiles, etc.

The Using Effects of 19-in-1 Ratchet Screwdriver

Comparison Items	Before Use (Ordinary Fixed Screwdriver)	After Use (Bosi 19-in-1 Ratchet Screwdriver)
Screw Installation and Removal Speed	Requires constant lifting of the hand to change position, slow	Ratchet for two-way operation, continuous tightening with a small wrist swing, 50% increase in efficiency
Tool Portability	Requires carrying multiple screwdrivers of different sizes, cumbersome	One screwdriver in hand, 19 different bits, lightweight
Bit Durability	Ordinary bits are prone to stripping	S2 alloy steel, high hardness, long lifespan
Operation in confined spaces	Long handles or bent bits are difficult to use	Ratchet head can be used with short bits, small-angle swing of the handle, adaptable to narrow spaces
Storage Neatness	Tools scattered	Hidden storage, bit not lost

After-sales service

BOSI offers a special service commitment for ratchet screwdrivers: 12-month warranty on the ratchet head (within 5000 fatigue tests under normal use); free replacement if jamming or failure occurs. Screwdriver bits are consumables, but early stripping due to material defects (such as insufficient hardness) will be replaced free of charge. Bulk purchases include a spare bit set (containing commonly used sizes). Please contact customer service for details.

Packaging and Shipping Test Center