The depth of the tapping must exceed the installation length of the thread inserts. After tapping, use a compressed air spray gun to blow out the debris. When the thread accuracy is high, check the tapped bottom hole with a special bottom hole plug gauge for wire thread inserts.
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M5 M6 M8 M10 M12. Screw tap 20pcs. Suitable for engine repair and other automotive applications. Thread insert 220pcs. Twist drill 20pcs. Hex key 1pc. Installation tool 20pcs. Breaking pin tool 20pcs.
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BSC Sizes Include - 1/4 BSC, 5/16 BSC, 3/8 BSC, 7/16 BSC and 1/2 BSC. Improves holding or pull out resistance. Once fitted their position is maintained by the action of the radial pressure between the coils and the flanks of the tapped hole.
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