Name: ER20 M3.5 Tap Collet, 4mm Bore Diameter x 3mm Square
Brand: Haas Tooling
SKU: 04-1207
Price: 23.95 USD
Availability: InStock

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This ER20 tap collet for M3.5 taps has a 4mm bore diameter and a 3mm built-in square drive to securely grip flat-sided tap shanks, providing maximum concentricity and the extra torque required for tapping. It has a 0.015mm TIR, and is defined by collet class 2, per DIN ISO 15488. This collet has no clamping range; the tool shank must be the exact diameter of the collet bore. Ensure that your collet bore matches the size of your respective tap shank.

ER20 M3.5 Tap Collet, 4mm Bore Diameter x 3mm Square

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This 12-piece, ER20 metric straight-bore collet set includes sizes from 1mm to 12mm, in 1mm increments, allowing you to securely clamp round shank tools from 0.5mm to 12mm. The collets have a 0.01mm - 0.015mm TIR, and are defined by collet class 1, per DIN ISO 15488. Included sizes: 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm.

12-Piece, ER20 Straight Bore Collet Set, 1mm - 12mm

This 14-piece, ER20 inch straight-bore collet set includes sizes from 1/16" to 1/2", in 1/32" and 1/16" increments, allowing you to securely clamp round shank tools from 0.043" to 0.5". The collets have a 0.0004" - 0.0006" TIR, and are defined by collet class 1, per DIN ISO 15488. Included sizes: 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2".

14-Piece, ER20 Straight Bore Collet Set, 1/16" - 1/2"

This 9-piece, ER20 inch tap collet set covers tap sizes from #0 to 1/2". The collets have a 0.0006" TIR, and are defined by collet class 2 per DIN ISO 15488. These collets have no clamping range; the collet bores are the exact tool diameter, with a square drive that locks the flat-sided tap shanks into the collet, providing maximum concentricity, with positive driving force. Ensure that your collet bores match the size of your respective tap shanks. Included sizes: #0 - #6, #8, #10, #12, 1/4", 5/16", 3/8", 7/16", 1/2".

9-Piece, ER20 Tap Collet Set, #0 - 1/2"

This 9-piece, ER20 metric tap collet set covers tap sizes from M2 to M12. The collets have a 0.015mm TIR, and are defined by collet class 2 per DIN ISO 15488. These collets have no clamping range; the collet bores are the exact tool diameter, with a square drive that locks the flat-sided tap shanks into the collet, providing maximum concentricity, with positive driving force. Ensure that your collet bores match the size of your respective tap shanks. Included sizes: M2 - M4, M3 - M5, M3.5, M4 - M6, M4.5 - M8, M7, M7 - M10, M8 - M11, M9 - M12.

9-Piece, ER20 Tap Collet Set, M2 - M12

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System of Measurement	Metric - ISO
Collet Series	ER-20
Collet Class	Class 2
Type	Tap Collet
Tap Size	M3.5
[ØD] Bore Diameter	4.0 mm
[LSC] Clamping Length	18.0 mm
[SS] Square Size	3.0 mm
Total Indicator Runout (TIR)	0.015 mm
Weight	0.1 lbs \ 0.1 kg
Country of Origin	China

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ER20 M3.5 Tap Collet, 4mm Bore Diameter x 3mm Square

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