ER20 High Precision Tapping Collets with Special Locking Design | Machinist Choice™

MSRP: $59.66
$28.82
(You save $30.84 )
SKU:
RT332-RT340
Condition:
New
Total: $0.00
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ER20 High Precision Tapping Collets

ER20 high-precision tapping collets secure both the round shank and square drive of a tap to help prevent slipping during tapping operations. Designed for compatible ER20 collet holders, this family includes 9 individual tap sizes and 1 multi-piece sets. Compare tap sizes, shank diameters, drive square dimensions and overall lengths in the chart below. Confirm your tap shank and square drive dimensions before selecting a collet.

Specifications & Tolerances

  • LOCKING SYSTEM: Special Design to Lock Both the ROUND and the SQUARE Tap Shank in Slots for Maximum Gripping (No Slipping)
  • TAP SHANKS : ASME B94.9-2051
  • MAXIMUM PRECISION: Precision Made for Tool Shanks with H6 or Better Tolerance
  • EXTREME PERFORMANCE: Designed to provide Maximum Ridgidity and Better Tapping Performance on your Taps ??
  • SPECIAL DESIGN: Note that these collets do not " COLLAPSE" to the same degree as standard ER Collets. Our SLOTTED Design is for maximum clamping on the entire Tap. Shop's Choice
  • HIGH QUALITY STEEL: Made of High Quality Case Hardened Steel for long lasting operating life and elasticity of Collet.
  • QUALITY CONTROL PROCESS: Hand Inspected and Run out Tested 100%
  • Customer Satisfaction Guarantee
  • Veteran Owned and Operated

Applications

  • For Use with ER Collet Chucks
  • Precision CNC Tapping Operations
  • High-Speed Ridgid Tapping
  • For use with all ASME Standard Taps
  • General Tapping & Job Shop Use
  • Securely hold Tap with Special Locking Design.

ER20 Tap Collet Comparison Chart

RMT Part NumberDescriptionCollet SeriesTap Size InchTap Size MMMetric ANSI Shank TapTap Shank Dia.Drive Square SizeOALWeightLBS
RT332NO. 6 ER20 TAP COLLETER20#6141x110M1.6-M3.5.141”.110”1.240"0.04
RT333NO. 8 ER20 TAP COLLETER20#8168x131M4.168”.131”1.240"0.04
RT334NO. 10 ER20 TAP COLLETER20#10194x152M4.5,M5.194”.152”1.240"0.04
RT335NO. 12 ER20 TAP COLLETER20#12220x165-.220”.165”1.240"0.04
RT3361/4" ER20 TAP COLLETER201/4”255x191M6,M6.3.255”.191”1.240"0.04
RT3375/16" ER20 TAP COLLETER205/16”318x238M7,M8.318”0.2381.240"0.04
RT3383/8" ER20 TAP COLLETER203/8”381x286M10.381”.286”1.240"0.04
RT3397/16" ER20 TAP COLLETER207/16”323x242M11.323”.242”1.240"0.03
RT3401/2" ER20 TAP COLLETER201/2”367x275M12,M12.5.367”.275”1.240"0.03
RT13019-piece tap collet set: No6,No8,No10, No12, 1/4",5/16",3/8"7/16",1/2"ER209-piece set—————1.1
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