wooden handles for woodworking chisels and gouges

IS 2894: Scope & Key Specifications for Wooden Handles and Ferrules

Scope (Clause 5.1)

• Applies to wooden handles and ferrules used for chisels and gouges.
• Handles and ferrules must conform to dimensions in Table 1 and Fig. 1 (typical sketch).

Key Dimensions (Table 1) — All in mm

Ferrule Specification (Clause 1.6)

• Made of MS seamless or welded tubes
• Thickness: **2.5 + 0

IS 2894 - Key References and Specifications

1. Dimensions of Wooden Handles (Clause 5.1, Table 1)

All dimensions in millimeters.

2. Definitions

• As per Clause 2.1, definitions conform to IS 707:1976.

3. Marking (Clause 9.1.1)

• Handles may bear the Standard Mark.
• The Standard Mark ensures compliance with BIS inspection, testing, and quality control.
• Licensing and use governed by the Bureau of Indian Standards Act, 1986.

4. BIS Contact Details

• BIS Headquarters: Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110002.
• Regional and branch offices are located across major cities (Mumbai, Kolkata, Chandigarh, Chennai, Bangalore, Bhopal

IS 2894: Definitions & Key Specifications Summary

1. Definitions:

• Refer to IS 707:1976 for all definitions related to wooden tool handles.
• IS 707 covers glossary and general requirements for wooden tool handles.

2. Wooden Handle Dimensions (Clause 5.1 & Table 1):

• All dimensions in millimeters.
• Refer to Fig. 1 of IS 2894 for typical wooden handle sketch.

3. Ferrule Specification (Clause 1.6):

• Material: Mild Steel (MS) seamless or welded tubes.
• Thickness: 2.5 + 0.3 mm.

Visual Summary: Handle Dimension Parameters

graph LR
A[Length (A)] --> B[Thickness (B)]
B --> C[Width (C)]
C --> D[Other dimensions (D, E

IS 2894: Key Material Specifications and Dimensions

Materials (Clause 3.2 & 1.6)

• Mild Steel Sheets: Thickness = 1.6 ± 0.2 mm
• Mild Steel Tubes (Seamless or Welded Ferrules): Thickness = 2.5 ± 0.3 mm

Wooden Handles (Clause 5.1 & Table 1)

Dimensions (all in mm) for various handle sizes:

Refer to Fig. 1 in IS 2894 for typical wooden handle sketch.

Notes:

• Definitions per IS 707-1976 apply.
• Ferrules must be seamless or welded MS tubes with specified thickness.

flowchart LR
    A[Mild Steel Sheets] -->|Thickness 1.6 ± 0.2 mm| B[Handles & Ferrules]
    B -->|Ferrules: MS Tubes 2.5 ± 0.3 mm| C[Wooden Handles]
    C -->|Dimensions per Table 1| D[Various Sizes & Tolerances]

This ensures compliance with strength, durability, and ergonomic standards for chis

IS 2894: Dimensions of Wooden Handles for Chisels and Gouges

Key Specifications (Clause 5.1 & Table 1)

IS 2894: Tolerances for Wooden Handles and Ferrules

Key Points from IS 2894:

• Clause 6.1: Normal engineering tolerances are permissible.
• Clause 5.1 & Table 1: Dimensions of wooden handles with specified tolerances.

Table 1 Extract (Dimensions in mm):

(Fig. 1 shows typical wooden handle sketch.)

Ferrule Specifications (Clause 1.6 & 3.2):

• Ferrule thickness: 2.5 + 0.3 mm (MS seamless tubes or welded)
• Mild steel sheet thickness: 1.6 ± 0.2 mm or 25 ± 0.3 mm thickness sheets/tubes

Summary:

• Use ±1 mm tolerance at critical dimension 'M'.
• Use ±2 mm tolerance elsewhere.
• Ferrules made from mild steel tubes/sheets with specified thickness tolerances.

flowchart TD
    A[Wooden Handle Dimensions] --> B{Tolerance}
    B -->|At M| C[±1 mm]
    B -->|Other Places| D[±2 mm]
    A --> E[Ferrule

IS 2894: Workmanship and Finish - Key Points

1. Workmanship Tolerances (Clause 6.1)

• Normal engineering tolerances are permissible for dimensions.

2. Wooden Handles Dimensions (Clause 5.1 & Table 1)

• All dimensions in millimetres.
• Refer to Fig. 1 for typical wooden handle sketch.

3. Ferrule Specification (Clause 1.6)

• Made of MS seamless or welded tubes.
• Thickness: 2.5 + 0.3 mm.

4. Finish (Clause 7.2)

• Handles shall be finished reasonably smooth to ensure good grip and comfort.

Summary Diagram of Wooden Handle Dimensions (Simplified)

graph LR
A[Handle Length (A)] --> B[Cross-section dimensions (B,C

IS 2894 — Treatment of Handles: Key Specifications

1. Dimensions (Clause 5.1 & Table 1)

Handles and ferrules must conform to dimensions below (in mm):

Refer to Fig. 1 for shape and design.

2. Ferrule Specification (Clause 1.6)

• Material: Mild Steel (MS) seamless or welded tubes
• Thickness: 2.5 mm ± 0.3 mm

3. Treatment (Clause 8.1)

• Soak accepted handles in hot (~90°C) raw linseed oil for

IS 2894 - Marking of Wooden Handles (Clause 9.1 & 9.1.1)

Key Specifications:

• Marking Requirements (Clause 9.1):

  • Each handle shall be legibly and indelibly marked with:
    • Manufacturer's name or recognized trade-mark
    • Year of manufacture

• Standard Mark (Clause 9.1.1):

  • Handles may also bear the BIS Standard Mark.
  • Use of Standard Mark is regulated under the Bureau of Indian Standards Act, 1986.
  • It assures compliance with IS standards, quality control, and continuous BIS inspection.
  • Licensing details for the Standard Mark can be obtained from BIS offices.

Dimensions Reference (Clause 5.1 & Table 1)

All dimensions in millimeters.

Summary Diagram: Marking Flow

IS 2894 - Testing: Key Specifications & Tables

Wooden Handles Dimensions (Clause 5.1, Table 1)

Handles and ferrules must conform to these dimensions (all in mm):

Testing & Marking (Clause 9.1.1)

• Handles may be marked with the BIS Standard Mark.
• Marking ensures compliance with IS 2894 under BIS inspection and quality control.

Summary for Testing:

• Dimensional checks per Table 1.
• Visual and physical inspection for handle integrity.
• Marking confirms tested quality per BIS standards.

flowchart TD
    A